A solemn binding promise to do, give, or refrain from doing something, A token or sign, Anything given or considered as a security for the performance of an act; a guarantee, intransitive verb_ To deposit as security; pawn, To promise to join (a fraternity or similar organization), To drink a toas, transitive verb_ To give or pass as a security; to guarantee; to engage; to plight, To bind or engage by promise or declaration; to engage solemnly