How to say "sponsorship" in Japanese

Choosing the right word
  • 主催しゅさいJLPT N1approx.Common
    noun, suru verb, transitive verbCovers sponsorship in the sense of conducting something under one's own auspices — organizing and promoting an event oneself. Typical when a company or organization hosts or backs an event as its sponsor-organizer.
    今日きょうのパーティーは誰だれが主催しゅさいなの?↗
    Who was in charge of today's party?
  • 提携ていけいJLPT N1approx.Common
    noun, suru verb, transitive verb, intransitive verbMatched to 'sponsorship' only via a broad gloss; its real senses are cooperation, tie-up, partnership and joint business. For sponsoring in the usual sense, it is seldom the word you want — use it for business alliances instead.
    うちの会社かいしゃはあの合弁ごうべん会社かいしゃと提携ていけいしている。↗
    We are affiliated with the new joint venture company.

For sponsorship as organizing or backing an event under one's own auspices, use 主催; for sponsorship as a business tie-up or partnership between companies, use 提携.

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

Japanese equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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