Synonyms for Say yes:

• v.

  •consent (verb)
  • concur,
  • comply,
  • roll over,
  • bless,
  • give the nod,
  • say uncle,
  • okay,
  • give in,
  • let,
  • sign off on,
  • fold,
  • yes,
  • throw in the towel,
  • make a deal,
  • subscribe,
  • knuckle under,
  • give up,
  • concede.
  •nod (verb)
  • dip,
  • acknowledge,
  • curtsy,
  • respond,
  • greet,
  • beckon,
  • indicate,
  • sign,
  • duck,
  • salute,
  • bow,
  • signal,
  • recognize,
  • bend.
  •ok (verb)
  • approbate.
  •permit (verb)
  • charter,
  • buy,
  • pass,
  • boost,
  • abet,
  • privilege,
  • leave,
  • give permission,
  • thumbs up,
  • go for,
  • blink at,
  • have,
  • warrant,
  • take kindly to,
  • admit,
  • indulge,
  • franchise,
  • enable,
  • endure,
  • condone,
  • give leave,
  • let pass,
  • sanctify,
  • shake on.

• Other synonyms:

  •
  • assent,
  • go along with,
  • contract,
  • humor,
  • bow to,
  • welcome,
  • covenant,
  • authorize,
  • sign up,
  • opt in,
  • undertake,
  • empower,
  • take up on,
  • capitulate,
  • acquiesce,
  • consent,
  • vest.
  •
  • dismiss,
  • tolerate,
  • grant,
  • wave through,
  • approve,
  • license,
  • accede,
  • permit.
  •
  • yield,
  • suffer,
  • validate,
  • sanction.
  •
  • accept,
  • excuse,
  • allow.
  •
  • mandate.
  •
  • clear.
  •
  • give.
  •consent
  • throw in towel,
  • yeses,
  • signing on,
  • give nod,
  • throwing in the towel,
  • signed on.
  •harmonize
  • agree.
  •permit
  • Franchised,
  • Franchising,
  • humoring,
  • Privileging,
  • gave permission.
  •Other relevant words:
  • connive at,
  • give consent,
  • indorse,
  • ratify,
  • condescend,
  • accord,
  • endorse,
  • deign,
  • ok,
  • wink at,
  • hold with,
  • agree to.

Antonyms for Say yes:

• v.

  • consent
    differ, dissent, object, refuse, keep, oppose, condemn, prevent, disapprove, forbid, demur, disallow, reject, disagree, protest, veto, hold, dispute, repudiate, deny.
  • permit
    obstruct, hurt, fight, sell, impede, contradict, stop, hinder, halt.