cogent

她提出了一个有说服力的反对行为主义的论证。

She presented a ___cogent case against behaviorism.

这位外科医生条理清晰地解释了手术的必要性。

The surgeon gave a ___cogent explanation of why the procedure was necessary.

他令人信服的推理促使董事会推翻了之前的决定。

His ___cogent reasoning prompted the board to overturn their earlier decision.