1727Bailey (vol. II), Validness, Ability, Power; also Authentickness, &c.
1882Arnold in 19th Cent. No. 69. 718 Lucidity is the perception of the want of truth and validness in notions long current.
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。