Source : Webster's Revised Unabridged Dictionary (1913)

Question \Ques"tion\, v. i. [imp. & p. p. {Questioned}; p. pr. &
   vb. n. {Questioning}.] [Cf. F. questionner. See {Question},
   n.]
   1. To ask questions; to inquire.

            He that questioneth much shall learn much. --Bacon.

   2. To argue; to converse; to dispute. [Obs.]

            I pray you, think you question with the Jew. --Shak.

Source : WordNet®

questioning
     adj 1: perplexed (as if being expected to know something that you
            do not know); "he had a quizzical expression" [syn: {quizzical}]
     2: marked by or given to doubt; "a skeptical attitude"; "a
        skeptical listener" [syn: {doubting}, {skeptical}, {sceptical}]
     3: showing curiosity; "if someone saw a man climbing a light
        post they might get inquisitive"; "raised a speculative
        eyebrow" [syn: {inquisitive}, {speculative}, {wondering(a)}]

questioning
     n : a request for information [syn: {inquiring}]