interrogatory

Asking a question; of the nature of a question; interrogative.

A written or oral question that must be answered under oath and is asked by a party in a lawsuit of another party or of a potential witness prior to trial.

Interrogative; containing or expressing a question; pertaining to or consisting of questions: as, an interrogatory sentence; the interrogatory method of instruction.

pl. interrogatories (-riz). A question or inquiry; in law, usually, a question in writing: as, to file interrogatories to be answered by a party or a witness. Formerly also inter-gatory.

A formal question or inquiry

Containing, expressing, or implying a question.

A formal question submitted to opposing party to answer, generally governed by court rule.

A question; an interrogation.

Serving to interrogate; questioning.

formal systematic questioning