convincer

One who, or that which, convinces; one who wins over by proof.

Japanese Meaning

説得する人 / 納得させる人

Her calm evidence served as the best convincer for the skeptical committee.

彼女の冷静な証拠が懐疑的な委員会を説得する最も説得力のある要因となった。

Sense（1）

One who, or that which, convinces; one who wins over by proof.

convincers

（ plural ）