Interrogation

n.	1.
	1.	The act or process of interrogating or questioning; examination by questions; an instance of interrogating; inquiry.
	2.	A question put; an inquiry.
	3.	A point, mark, or sign, thus [?], indicating that the sentence with which it is connected is a question. It is used to express doubt, or to mark a query. Usually called a question mark; called also interrogation point.

Noun	1.	interrogation - a sentence of inquiry that asks for a reply; "he asked a direct question"; "he had trouble phrasing his interrogations" Synonyms: interrogative, interrogative sentence, question
	2.	interrogation - a transmission that will trigger an answering transmission from a transponder
	3.	interrogation - formal systematic questioning Synonyms: interrogatory, examination
	4.	interrogation - an instance of questioning; "there was a question about my training"; "we made inquiries of all those who were present" Synonyms: enquiry, query, question, inquiry

Socratic method, asking, bone of contention, bringing into question, catechetical method, catechism, catechization, catechizing, challenge, cross-examination, cross-interrogatory, cross-question, debating point, demand, dispute, examination, feeler, grilling, inquiring, inquiry, inquisition, interpellation, interrogative, interrogatory, investigation, issue, leader, leading question, moot point, point at issue, point in question, probing, problem, pumping, query, querying, question, question at issue, question mark, questioning, quiz, quizzing, quodlibet, seeking, third degree, topic, trial balloon, vexed question