deal has 52 distinct synonyms spread across 13 of its 22 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
take into consideration for exemplifying purposes
“Take the case of China”
take action with respect to (someone or something)
“How are we going to deal with this problem?”
administer or bestow, as in small portions
“administer critical remarks to everyone present”
behave in a certain way towards others
“He deals fairly with his employees”
distribute cards to the players in a game
“Who's dealing?”
give (a specific card) to a player
“He dealt me the Queen of Spades”
a particular instance of buying or selling
“it was a package deal”
an agreement between parties (usually arrived at after discussion) fixing obligations of each
“he made a bargain with the devil”
1 of the 22 recorded senses carries no synonym, antonym or related term, so it is not shown above. Every sense, with its definition and examples, is on the full entry for deal.
Synonyms, antonyms and the broader and narrower relations for deal come from Princeton University’s WordNet. Full sources and licences.
a plank of softwood (fir or pine board)
the cards held in a card game by a given player at any given time
“I didn't hold a good hand all evening”
the act of distributing playing cards
“the deal was passed around the table clockwise”