puzzle - noun

a particularly baffling problem that is said to have a correct solution

a game that tests your ingenuity

puzzle - verb

• be a mystery or bewildering to
• be uncertain about; think about without fully understanding or being able to decide

puzzle - thesaurus

amaze   baffle   beat   bewilder   dumbfound   flummox   get   gravel   mystifier   mystify   nonplus   perplex   pose   puzzler   stick   stupefy   teaser   vex