Synonyms and related words :
John Hancock, OK, acceptance, accord, acquiescence, affirmance, affirmation, affirmative, affirmative voice, agreement, approbation, approval, assent, attestation, authentication, authority, authorization, aye, backing, backing up, bearing out, blessing, bolstering, buttressing, certification, circumstantiation, clearance, compliance, confirmation, connivance, consent, corroboration, corroboratory evidence, countenance, countersignature, documentation, eagerness, empowerment, enabling, endorsement, enfranchisement, entitlement, fiat, fortification, go-ahead, green light, imprimatur, nod, notarization, okay, permission, promptitude, promptness, proof, proving, proving out, readiness, reinforcement, rubber stamp, sanction, seal, sigil, signature, signet, stamp, stamp of approval, strengthening, submission, subscription, substantiation, support, supporting evidence, the nod, undergirding, ungrudgingness, unloathness, unreluctance, validation, verification, visa, vise, warrant, warranty, willingness