Synonyms for Taking an oath:

• v.

  •acknowledge (verb)
  • recognize,
  • support,
  • ratify,
  • accept,
  • accede,
  • grant,
  • attest to,
  • uphold,
  • acquiesce,
  • allow,
  • defend,
  • yield,
  • agree,
  • defer to,
  • endorse,
  • own,
  • take an oath,
  • certify,
  • subscribe to,
  • approve.
  •promise (verb)
  • betroth,
  • pledge,
  • warrant,
  • consent,
  • pawn,
  • hock,
  • swear,
  • commit,
  • assent,
  • undertake,
  • assure,
  • asservate,
  • bind,
  • pass,
  • profess,
  • insure,
  • declare,
  • stipulate,
  • compact,
  • plight,
  • live up to,
  • guarantee,
  • ensure,
  • contract,
  • engage,
  • subscribe,
  • mortgage,
  • swear on bible,
  • vouch,
  • espouse,
  • bargain,
  • secure,
  • underwrite,
  • string along,
  • vow,
  • answer for,
  • obligate,
  • affiance,
  • cross heart,
  • say so,
  • swear up and down,
  • covenant,
  • affirm.
  •swear (verb)
  • have confidence in,
  • give one's word,
  • swear by,
  • attest,
  • assert,
  • trust,
  • state under oath,
  • give witness,
  • avow,
  • depose,
  • state,
  • make an affidavit,
  • depend on,
  • pledge oneself,
  • testify,
  • rely on,
  • swear to god,
  • promise,
  • cross one's heart,
  • maintain.
  •warrant (verb)
  • entitle,
  • back,
  • give grounds for,
  • argue,
  • commission,
  • guaranty,
  • explain,
  • empower,
  • demand,
  • permit,
  • privilege,
  • stand behind,
  • necessitate,
  • excuse,
  • sanction,
  • avouch,
  • license,
  • vouch for,
  • claim,
  • bear out,
  • vindicate,
  • sponsor,
  • delegate,
  • require,
  • call for,
  • contend.

Antonyms for Taking an oath:

• v.

  • acknowledge
    forswear, abjure, disagree, refuse, renounce, dispute, ignore, protest, reject, condemn, contradict, decline, disavow, oppose, disapprove, deny, veto, disallow, repudiate, disregard, invalidate.
  • promise
    discourage, lose, enlarge, release, divorce, loosen, loose, let go, unfasten, untie, give up, dissent, break off, break, renege.
  • warrant
    desert, question, surrender, Unauthorize, abandon, hurt, retract, disclaim, leave.