The word "re-buffs" means to reject, decline or refuse. Its antonyms include accept, embrace, welcome, approve, allow, admit, embrace and acknowledge. When a person rejects an offer, the opposite would be to accept it. When someone declines a proposal, they could approve it. If a person refuses an idea, they could embrace it. One should be able to distinguish the difference between rebuff and its antonyms to communicate their thoughts accurately. When one is aware of the different antonyms for certain words, they could convey their message better and avoid misunderstandings.