A doubt or challenge about the truth, accuracy, or validity of a matter.
A subject or topic for consideration or investigation.
A sentence, phrase or word which asks for information, reply or response; an interrogative.
A proposal to a meeting as a topic for deliberation.
To ask a question or questions; inquire or seek to know; examine.
To ask questions of; to interrogate; to ask for information.
To raise doubts about; have doubts about.
Evidence, facts, statements, or arguments that justify a claim or belief.
The act of vindicating or the state of being vindicated.