Plausible 1540s, "acceptable, agreeable," from Latin plausibilis "deserving applause, acceptable," from plaus-, past participle stem of plaudere "to applaud” -plaus-拍手 + -ible 形容词词尾,被动意义 → 值得鼓掌的 ——收入 词语的化石层看它的邻域 →