puzzle
puz-zle
verb
To confuse or bewilder someone, making them unable to understand.
"His sudden departure puzzled us all."
noun
A game or problem designed to test ingenuity or knowledge.
"She spent hours on the jigsaw puzzle."
Thesaurus
Synonyms: flummox, mystify, perplex, baffle, beat, get, vex, stick, dumbfound, pose, gravel, bewilder