The Oxford Thesaurus An A-Z Dictionary of Synonyms - approve v.

1) Often, approve of. allow, countenance, condone, permit, sanction, authorize, endorse, put one's imprimatur on, agree (to) , accept, assent (to) , go along with, Colloq OK or okay, give the green light or go-ahead or one's blessing (to) , rubber-stamp: The headmistress would never approve your leaving the building during classes. 2) confirm, affirm, support, ratify, uphold, subscribe to, second, give the stamp of approval to; favour, commend, recommend: Sheila Jones's appointment to the commission has been approved unanimously. 3) approve of. sanction, consider fair or good or right, accept, favour, respect, be partial to, like, have regard for, have a preference for, tolerate, reconcile oneself to: I always had the feeling that her father didn't quite approve of me.