賛成

• Reading: さんせい
• Romaji: sansei
• Kanji breakdown: 賛 (san) — approve, praise, support; 成 (sei) — become, achieve
• Pronunciation: /sa.n.se.i/

Meaning

Approval; agreement; support. Being in favour of something or someone's idea.

Functions as a noun or する verb (賛成する). The opposite of 反対 (opposition). Commonly used in voting, discussions, and everyday decision-making. Often followed by する (to agree) or です (I agree). A direct and clear way to express agreement in Japanese.

Examples

1. その計画に賛成する人は手を挙げてください。 Those in favor of the plan, please raise your hand.
2. 私は田中さんの意見に賛成です。 I agree with Mr. Tanaka's opinion.
3. 全員が賛成したので、計画を進めることにした。 Since everyone agreed, we decided to go ahead with the plan.

Usage Guide

Context: meetings, discussions, daily life

Tone: neutral

Origin & History

Compound of 賛 (san, approve/praise) and 成 (sei, become/achieve). Together they mean to become in favour of — to approve or support something.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal