推定|すいていsuitei[0]heiban (flat)
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Definitions
- suru verb, transitive verb, no-adjectivepresumption; assumption
- suru verb, transitive verb, no-adjectiveestimation
Conjugation
| Dictionary form | 推定する（すいていする） |
|---|---|
| Polite (masu) | 推定します（すいていします） |
| Negative (nai) | 推定しない（すいていしない） |
| polite (masen) | 推定しません（すいていしません） |
| classical zu / nu | 推定せず・推定せぬ（すいていせず・すいていせぬ） |
| Past (ta) | 推定した（すいていした） |
| polite (mashita) | 推定しました（すいていしました） |
| Past negative (nakatta) | 推定しなかった（すいていしなかった） |
| polite (masen deshita) | 推定しませんでした（すいていしませんでした） |
| Te form | 推定して（すいていして） |
| Potential | 推定できる（すいていできる） |
| Passive | 推定される（すいていされる） |
| Causative | 推定させる（すいていさせる） |
| Causative passive | 推定させられる（すいていさせられる） |
| Conditional (ba) | 推定すれば（すいていすれば） |
| tara | 推定したら（すいていしたら） |
| Volitional | 推定しよう（すいていしよう） |
| polite (mashou) | 推定しましょう（すいていしましょう） |
| Imperative | 推定しろ（すいていしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym推測すいそくNeutralA guess based on what is known; neutral in both speech and writing. 「推定」tentatively treats something as fact and acts on it, often for age, causes or figures.
- Synonym推論すいろんWrittenDrawing a conclusion step by step through logic; stresses the reasoning process. 「推定」is about judging a fact or figure from the circumstances.
- Synonym推察すいさつWrittenRespectfully surmising another person's feelings or a situation; more deferential. 「推定」leans toward objective judgment.
- Synonym推量すいりょうWrittenSurmising or guessing; also a grammar term for uncertain statements marked by 「う」 or 「らしい」. 「推定」tentatively accepts something as fact from circumstances.
- Synonym見込むみこむNeutralA verb for anticipating or counting on something, as in 「売り上げを見込む」; looks to the future. 「推定」mostly concerns unknown present facts or figures.
- Synonym見積もるみつもるNeutralA verb for estimating costs or quantities, as in a quote. 「推定」also covers non-numeric facts such as events or identity.
- Synonym予想よそうNeutralAnticipates the future, such as match results. 「推定」mostly judges unknown present facts or figures, as in 「推定年齢」, and is not limited to the future.
- Synonym予測よそくNeutralForecasting how things will turn out, in daily and professional use alike. 「推定」is not tied to the future; it judges present or past matters from evidence.
- Synonym推し量るおしはかるNeutralA verb for surmising matters or people's feelings; common in writing too. 「推定」is more formal and evidence-based.
- Related想定そうていNeutralAssuming a situation or condition in advance as the premise for a plan, as in 「想定外」. 「推定」judges facts or figures from the evidence at hand.
- Related仮定かていNeutralTentatively setting a premise for discussion, as in 「仮定の話」, without regard to whether it is true. 「推定」is a judgment grounded in evidence.
- Related憶測おくそくNeutralSpeculation on shaky grounds, with a negative shade, as in 「憶測を呼ぶ」. 「推定」rests on more reliable evidence.
- Related仮想かそうNeutralSupposing something for the time being, whether it is not real or simply not known to be, as in 「仮想通貨」. 「推定」 is an evidence-based estimate about reality.
- Related推理すいりNeutralReasoning from clues; also the mystery genre of fiction. 「推定」focuses on arriving at a figure or fact.
- Related想像そうぞうNeutralPicturing in your mind things you have never seen, with no need for evidence. 「推定」judges from the circumstances at hand.
- Related予断よだんWrittenJudging before the fact, usually in the negative 「予断を許さない」. 「推定」is not tied to a point before the outcome.
- Related目算もくさんNeutralA rough estimate made by eye, or a plan in one's head. 「推定」is better grounded and also covers judgments of fact.
- Related類推るいすいWrittenReasoning by analogy, extending from similar cases to new ones. 「推定」is not restricted to any particular method.
- Related仮説かせつWrittenA hypothesis awaiting verification; academic in flavor. 「推定」is a tentative judgment, not a theory.
- Related憶断おくだんWrittenJumping to a conclusion on subjective conjecture; derogatory. 「推定」makes a tentative judgment from the surrounding circumstances.
- Related推知すいちWrittenRare, literary: to come to know something by inferring it from circumstances, stressing the result. Close to 「推定」; for ordinary guessing say 「推測」.
- Related思いなすおもいなすWrittenRare, literary: to take something to be the case out of subjective conviction. Unlike 「推定」, it needs no basis in evidence.
- Related計り知るはかりしるNeutralTo conjecture or grasp; most often seen in the negative 「計り知れない」, 'immeasurable'. 「推定」positively offers an estimate.
- Related推断すいだんWrittenInferring a conclusion from facts; close to 「推定」 but with more weight on the judgment itself, and rare in modern use.
- Related推算すいさんWrittenWorking a figure out from data; the emphasis is on calculation. 「推定」does not necessarily involve any calculation.
- Antonym確定かくていNeutralThe point at which something is definitively settled — the opposite of 「推定」, which remains a tentative call made from the circumstances.
- Antonym断定だんていWrittenStating a firm conclusion with no hedging. 「推定」is used when the truth is still unknown and only the circumstances point the way.
Use 「推定」to tentatively accept a fact or figure as true from the available circumstances, as in 「推定年齢」; in law it also means treating something as fact until disproven. For everyday guessing use 「推測」; for scenarios assumed in advance 「想定」or 「仮定」; for the future 「予想」and 「予測」. Speculation on thin grounds is 「憶測」or 「憶断」, logical derivation 「推論」or 「推理」, calculation-based figures 「推算」, and firm conclusions 「断定」or 「確定」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
See also
