pledge (v.) Copy link Outline I. To put in pawnII. To p. oneself; i. e. to give a solemn assurance on any point • pledge (v.): I. To put in pawn: expr. by oblĭgo, 1: v. to mortgage, pawn. II. To p. oneself; i. e. to give a solemn assurance on any point: spondeo, rĕcĭpio (to take the responsibility of anything on oneself), prōmitto, etc.: v. to engage. Phr.: to p. one's word, fidem suam obligare, Cic. Ph. 5, 18, fin.; obstringere, Plin. 7, 1, 1: you may p. my services to the people of Firmum, Firmanis fidem meam obliga, Plin. Ep. 6, 18, 2.