The action of asking questions; a survey; an inquiry. / The act of challenging, wondering, and doubting. / Interrogation.

Characterized by questions, inquisitiveness, doubt, or wonder. / (LGBT) Unsure of one's sexual orientation and/or gender identity.

present participle of question

in a questionable manner

The state of being questionable.

plural of questioner

The state or condition of being questionable; dubiousness.

Under consideration, under discussion. / In doubt, under dispute.

(rare, dated) questioning; full of questions

Without a doubt; certainly.