To demonstrate the feasibility of; to show or be shown to be feasible, accurate, true, satisfactory, as expected, hoped, stated, etc.
To turn out to be feasible, accurate, true, satisfactory, as expected, hoped, stated, etc.
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.
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.
A doubt or challenge about the truth, accuracy, or validity of a matter.