How to say "mandate" in Japanese

• 委任統治いにんとうちCommon
  nounCovers the political sense of 'mandate': authority granted to a state to administer a territory, as in a League of Nations mandate. It is a noun for that system of trusteeship, not for orders or obligations generally.
• 負託ふたくCommon
  noun, suru verb, transitive verbRefers to entrusting someone with a responsibility or the responsibility so entrusted — the sense of a mandate as a charge given to a person or body, such as the public's mandate to a government.
• 義務付けるぎむづけるCommon
  ichidan verb, transitive verbA verb meaning to make something compulsory or required — 'to mandate' in the sense of obligating an action, e.g. requiring seatbelt use. Use this when mandate is a verb imposing an obligation.
  全員ぜんいん出席しゅっせきを義務ぎむづけられている。↗

  Attendance is compulsory for all members.

For the political/legal sense of governing a territory use 委任統治; 負託 expresses entrusting someone with a responsibility or mandate; for mandating an action as a requirement use the verb 「義務付ける」.

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

• 委任統治いにんとうちmandate
• 負託ふたくcharging (someone) with (a responsibility)
• 義務付けるぎむづけるto obligate
• マンデートmandate
• 運用委託うんよういたくmandate (e.g. to use resources)