questioning(s = adj.all) quizzical - perplexed (as if being expected to know something that you do not know); "he had a quizzical expression"
questioning(s = adj.all) doubting, sceptical, skeptical - marked by or given to doubt; "a skeptical attitude"; "a skeptical listener"
questioning(s = adj.all) inquisitive, speculative, wondering - showing curiosity; "if someone saw a man climbing a light post they might get inquisitive"; "raised a speculative eyebrow"

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THESAURUS

questioning

Pyrrhonic, Socratic method, agnostic, answering, asking, bringing into question, catechetical method, catechistic, catechization, catechizing, challenge, communicating, communicational, communional, conversational, curious, disbelieving, dispute, distrustful, doubtful, doubting, dubious, examination, from Missouri, in doubt, inquiring, inquisitional, inquisitorial, interacting, interactional, interactive, intercommunicational, intercommunicative, intercommunional, interpellation, interresponsive, interrogation, interrogational, interrogative, interrogatory, investigative, leery, linguistic, mistrustful, mistrusting, oral, probing, pumping, query, querying, question, quiz, quizzical, quizzing, responsive, scrupulous, seeking, shy, skeptical, speech, suspecting, suspicious, telepathic, transmissional, unbelieving, uncertain, untrusting, verbal, wary

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ROGET THESAURUS

questioning

Inquiry

N inquiry, request, search, research, quest, pursuit, examination, review, scrutiny, investigation, indagation, perquisition, perscrutation, pervestigation, inquest, inquisition, exploration, exploitation, ventilation, sifting, calculation, analysis, dissection, resolution, induction, Baconian method, strict inquiry, close inquiry, searching inquiry, exhaustive inquiry, narrow search, strict search, study, scire facias, ad referendum, trial, questioning, interrogation, interrogatory, interpellation, challenge, examination, cross-examination, catechism, feeler, Socratic method, zetetic philosophy, leading question, discussion, reconnoitering, reconnaissance, prying, espionage, espionnage, domiciliary visit, peep behind the curtain, lantern of Diogenes, question, query, problem, desideratum, point to be solved, porism, subject of inquiry, field of inquiry, subject of controversy, point in dispute, matter in dispute, moot point, issue, question at issue, bone of contention, plain question, fair question, open question, enigma, knotty point, quodlibet, threshold of an inquiry, inquirer, investigator, inquisitor, inspector, querist, examiner, catechist, scrutator scrutineer scrutinizer, analyst, quidnunc, inquiry, inquisitive, requisitive, requisitory, catechetical, inquisitorial, analytic, in search of, in quest of, on the lookout for, interrogative, zetetic, all searching, undetermined, untried, undecided, in question, in dispute, in issue, in course of inquiry, under discussion, under consideration, under investigation, sub judice, moot, proposed, doubtful, quaere?, what?, why?, wherefore?, whence?, whither?, where?, how comes it?, how happens it?, how is it?, what is the reason?, what's the matter?, nicht wahr?, what's in the wind?, what on earth?, when?, who?.

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