to survey using questionnaires

A person who asks questions, or who conducts an official enquiry.

Problematic; open to doubt or challenge. / Of dubious respectability or morality. / (obsolete) Inviting questions; inviting inquiry.

(UK, Canada, New Zealand, occasionally Australia) an honorific status officially conferred on senior or meritorious barristers (and occasionally other kinds of lawyer) during the reign of a queen.

(idiomatic) Not remotely possible.

(archaic) A woman, now especially an impudent or disreputable woman; a prostitute. / (Scotland) A young woman, a girl; a daughter.

(US) In colleges and high schools, a young lady chosen by her peers to "reign" over the traditional activities associated with the Homecoming football game.

(idiomatic, informal) To propose marriage.

(idiomatic, slang, originally LGBT, sometimes derogatory) Someone who prefers sexual partners with large penises.

A question posed only for dramatic or persuasive effect. / (colloquial) A question to which the asker does not expect an answer.