The act of challenging, wondering, and doubting.
Interrogation.
The action of asking questions; a survey; an inquiry.
Unsure of one's sexual orientation and/or gender identity.
Characterized by questions, inquisitiveness, doubt, or wonder.
The act of suspecting something or someone, especially of something wrong.
Uncertainty, doubt.
The imagining of something without evidence.
A trace, or slight indication.
The condition of being suspected.
To suspect; to have suspicions.