Synonyms and related words :
OK, abet, accede to, accept, accord to, accredit, admire, advocate, affirm, agree to, aid and abet, amen, approve, approve of, assent, assure, attest, authenticate, authorize, autograph, back, back up, be sponsor for, be willing, bless, bond, certify, comfort, condescend, confirm, connive at, consent, consent to silently, cosign, countenance, countersecure, countersign, deign, elect, embolden, encourage, endorse, ensure, esteem, favor, give consent, give permission, give the go-ahead, give the imprimatur, give thumbs up, go along with, go for, grant, guarantee, guaranty, have no objection, hearten, hold with, initial, insure, keep in countenance, nod, nod assent, nominate, not refuse, notarize, okay, pass, pass on, pass upon, permit, ratify, respect, rubber stamp, sanction, say amen to, say aye, say yes, seal, second, secure, shine upon, sign, sign and seal, sign for, smile upon, sponsor, stand behind, stand up for, subscribe, subscribe to, support, swear and affirm, swear to, take kindly to, think well of, undersign, underwrite, uphold, validate, view with favor, visa, vise, vote, vote affirmatively, vote aye, warrant, wink at, yield assent