Synonyms for Swear to:

• v.

  •be a witness for (verb)
  • vouch for.
  •come to terms (verb)
  • contract.
  •contract (verb)
  • buy,
  • it's a deal,
  • clinch,
  • assent,
  • dicker,
  • obligate,
  • limit,
  • sign papers,
  • pact,
  • put in writing,
  • work out details,
  • shake hands on it,
  • arrange,
  • owe,
  • circumscribe,
  • bound,
  • negotiate,
  • ink,
  • consent,
  • agree,
  • accept offer,
  • commit,
  • hammer out deal,
  • set,
  • become indebted,
  • go along with,
  • firm a deal,
  • sign up,
  • come around,
  • adjust,
  • pledge,
  • make terms,
  • settle,
  • give one's word,
  • engage,
  • covenant,
  • enter into,
  • initial,
  • close,
  • undertake,
  • promise,
  • stipulate,
  • sign for,
  • bargain.
  •testify (verb)
  • stand up for,
  • swear up and down,
  • indicate,
  • point to,
  • say so,
  • make evident.
  •vouch (verb)
  • bear testimony,
  • act as a witness,
  • contend,
  • rubber-stamp,
  • be responsible for.

• Other synonyms:

  •
  • depend on,
  • know,
  • believe in,
  • feel/know something in your bones,
  • bet the farm.
  •contract
  • initialled,
  • Initialed,
  • give word,
  • pacted,
  • Inked,
  • signed up,
  • signs up,
  • pacting,
  • inks,
  • initials,
  • Inking,
  • signing up,
  • Initialing.
  •Other relevant words:
  • stand behind,
  • assert under oath,
  • make certain,
  • say amen to,
  • approve,
  • authenticate,
  • give the go-ahead,
  • seal,
  • permit,
  • accredit,
  • accept,
  • warranty,
  • subscribe to,
  • countersign,
  • rubber stamp,
  • second,
  • undersign,
  • amen,
  • vise,
  • give permission,
  • validate,
  • underwrite,
  • visa,
  • support,
  • sign,
  • sanction,
  • autograph,
  • depose,
  • guaranty,
  • make sure,
  • attest to,
  • pass upon,
  • pass on,
  • authorize,
  • notarize,
  • sign and seal,
  • endorse,
  • kiss the Book,
  • pass,
  • indorse,
  • give thumbs up,
  • ratify,
  • authorise,
  • ensure,
  • and candle,
  • book.

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.