Synonyms for Swear to:

• v.

  •contract (verb)
  • initial,
  • undertake,
  • promise,
  • pledge.
  •testify (verb)
  • certify,
  • warrant,
  • attest,
  • affirm,
  • depose,
  • depone,
  • swear.
  •vouch (verb)
  • assure,
  • cosign,
  • attest to,
  • confirm,
  • guarantee,
  • vow,
  • support,
  • testify.
  •vouch for (verb)
  • vouch,
  • assert under oath.

• Other synonyms:

  •contract
  • initial.
  •Other relevant words:
  • indorse,
  • contract,
  • sign,
  • visa,
  • authorize,
  • guarantee,
  • book,
  • attest,
  • depose,
  • give thumbs up,
  • validate,
  • say amen to,
  • approve,
  • make sure,
  • cosign,
  • subscribe to,
  • ratify,
  • seal,
  • authorise,
  • assert under oath,
  • endorse,
  • initial,
  • vouch,
  • countersign,
  • sanction,
  • accept,
  • rubber stamp,
  • affirm,
  • testify,
  • sign and seal,
  • guaranty,
  • support,
  • accredit,
  • swear,
  • pass upon,
  • pass,
  • assure,
  • authenticate,
  • autograph,
  • kiss the Book,
  • vise,
  • certify,
  • vow,
  • undersign,
  • ensure,
  • confirm,
  • vouch for,
  • stand behind,
  • underwrite,
  • give the go-ahead,
  • make certain,
  • amen,
  • pass on,
  • warrant,
  • give permission,
  • notarize,
  • promise,
  • depone,
  • warranty,
  • permit,
  • undertake,
  • pledge,
  • second,
  • attest to.

Antonyms for Swear to:

• v.

  • contract
    disorder, enlarge, break off, break, disagree, extend, refuse, release, disapprove, increase, dissent, dilate, lengthen, free, expand, reject, derange, disarrange, discourage, disorganize, open, let go, amplify, end, spread, confuse, stretch, give.
  • testify
    deny, veto, contradict, conceal, hide, discredit, refute.
  • vouch
    disclaim, condemn, invalidate, disprove, repudiate, disavow, oppose, desert, neglect, renounce.