stamp of approval

assert; make an assertion; have one's say; say, affirm, predicate, declare, state; protest, profess., put forth, put forward; advance, allege, propose, propound, enunciate, broach, set forth, hold out, maintain, contend, pronounce, pretend., depose, depone, aver, avow, avouch, asseverate, swear; make oath, take one's oath; make an affidavit, swear an affidavit, put in an affidavit; take one's Bible oath, kiss the book, vow, vitam impendere vero; swear till one is black in the face, swear till one is blue in the face, swear till all's blue; be sworn, call Heaven to witness; vouch, warrant, certify, assure, swear by bell book and candle., swear by (believe); insist upon, take one's stand upon; emphasize, lay stress on; assert roundly, assert positively; lay down, lay down the law; raise one's voice, dogmatize, have the last word; rap out; repeat; reassert, reaffirm., announce (information); acknowledge (assent); attest (evidence); adjure (put to one's oath) [more].