questioning

adjective

1
showing curiosity
if someone saw a man climbing a light post they might get inquisitive
raised a speculative eyebrow
2
perplexed (as if being expected to know something that you do not know)
he had a quizzical expression
3
marked by or given to doubt
a skeptical attitude
a skeptical listener

Also useful for “questioning”:Scrabble— High-value letters — see what it scores