THESAURUS
Swear
abjure, abuse, acknowledge, adjure, administer an oath, affirm, agree, allege, and candle, assert, assert under oath, asseverate, assure, attest, aver, avoid, avouch, avow, bear witness, believe in, blaspheme, book, certify, confess, count on, countersign, covenant, curse, curse and swear, cuss, declare, depone, depose, disclose, dysphemize, eschew, execrate, expletive, express the belief, forgo, forsake, forswear, give evidence, give up, go off, guarantee, have confidence in, imprecate, insist, kiss the book, make a promise, oath, pledge, plight, profess, promise, put under oath, put upon oath, rely on, renounce, scatologize, shun, state, swear by, swear by bell, swear in, swear off, swear the truth, swear to, swear to God, swear to goodness, talk dirty, testify, throw over, troth, trust in, undertake, underwrite, use language, vilify, vouch, vouchsafe, vow, warrant, witness
ROGET THESAURUS
Swear
Promise
VB
promise, give a promise, undertake, engage, make an engagement, form an engagement, enter into an engagement, enter on an engagement, bind oneself, tie oneself, pledge oneself, commit oneself, take upon oneself, vow, swear, give one's word, pass one's word, pledge one's word, plight one's word, give one's honor, pass one's honor, pledge one's honor, plight one's honor, give credit, pass credit, pledge credit, plight credit, give troth, pass troth, pledge troth, plight troth, betroth, plight faith, assure, warrant, guarantee, covenant, attest, hold out an expectation, contract an obligation, become bound to, become sponsor for, answer for, be answerable for, secure, give security, underwrite, adjure, administer an oath, put to one's oath, swear a witness.
Impiety
VB
be impious, profane, desecrate, blaspheme, revile, scoff, swear, commit sacrilege, snuffle, turn up the whites of the eyes, idolize.
Insolence
VB
be insolent, bluster, vapor, swagger, swell, give oneself airs, snap one's fingers, kick up a dust, swear, rap out oaths, roister, arrogate, assume, presume, make bold, make free, take a liberty, give an inch and take an ell, domineer, bully, dictate, hector, lord it over, traiter de haut en bas, regarder de haut en bas, exact, snub, huff, beard, fly in the face of, put to the blush, bear down, beat down, browbeat, intimidate, trample down, tread down, trample under foot, dragoon, ride roughshod over, out face, outlook, outstare, outbrazen, outbrave, stare out of countenance, brazen out, lay down the law, teach one's grandmother to suck eggs, assume a lofty bearing, talk big, look big, put on big looks, act the grand seigneur, mount the high horse, ride the high horse, toss the head, carry, with a high hand, tempt Providence, want snuffing.
Malediction
VB
curse, accurse, imprecate, damn, swear at, curse with bell book and candle, invoke curses on the head of, call down curses on the head of, devote to destruction, execrate, beshrew, scold, anathematize, bold up to execration, denounce, proscribe, excommunicate, fulminate, thunder against, threaten, curse and swear, swear, swear like a trooper, fall a cursing, rap out an oath, damn.
Affirmation
VB
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, 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, acknowledge, attest, adjure.