Synonyms for Quizzical (same or very similar meaning)
WordNet sense 1 (playfully vexing (especially by ridicule)):
mocking, teasingWordNet sense 2 (full of fun and high spirits):
playfulWordNet sense 3 (perplexed (as if being expected to know something that you do not know)):
questioningWordNet sense 4 (full or difficulty or confusion or bewilderment):
perplexedFrom the ODE community, based on WordNetadd/edit