invent

Synonyms: ad-lib author bear bring into being coin come upon come up with compose conceive contrive cook up design devise discover dream up envision execute fake fashion find forge form formulate frame hatch imagine improve improvise inaugurate initiate jam knock off make make up mint off-the-cuff originate plan produce project toss off turn out wing

Antonyms: steal

Synonyms: concoct conjure up create out of thin air equivocate fake falsify feign fib forge lie make believe make up misrepresent misstate pretend prevaricate simulate tell a white lie tell untruth think up trump up vamp

Antonyms: tell truth