How to say "presume" in Japanese

• 察するさっするJLPT N1approx.Common
  suru verb (irregular), transitive verbCovers 'presume' in the sense of inferring or sensing what someone feels or intends from indirect signs; it often carries a sympathetic nuance of reading between the lines, as when sensing a guest's unspoken wishes.
  この手紙てがみから察さっすると彼かれは立腹りっぷくしているようだ。↗

  I gathered from this letter that he was angry.
• 察すさっす
  godan verb, transitive verbA less common variant of 察する with the same meaning — to guess, sense, or judge from circumstances — and seldom the form you need: choose 察する for the 'presume' sense.

Both words cover only the 'infer or sense from circumstances' sense of presume — reading unspoken feelings or intentions; for that sense prefer the common 「察する」, while 「察す」 is a less common variant with the same meaning.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 察するさっするto guess
• 察すさっすto guess