question

[1]	oppugn , call into question
[2]	interrogate
[3]	query , ask , examine , interrogate , query , interview , sound out , quiz , (Colloq) pump , grill , (Slang) give (someone) the third degree
[4]	call in/into question , interview , doubt , query , mistrust , distrust , cast doubt upon , dispute , suspect
[5]	wonder

[1]	inquiry , query , inquiry/enquiry , enquiry , query , interrogation
[2]	head , problem , difficulty , confusion , doubt , dubiousness , uncertainty , query , mystery , puzzle
[3]	matter , interrogation , interrogative , issue , point , interrogative sentence , subject , topic , theme , proposition
[4]	beyond (all/any) question , doubt , dubiousness , beyond (the shadow of) a doubt , without question , doubtfulness , without a doubt , indubitably , undoubtedly , doubtlessly , definitely , certainly , assuredly
[5]	call in/into question , motion , question , doubt , query , challenge , dispute , harbour/entertain/have doubts/suspicions about , suspect , cast doubt/suspicion on
[6]	in question , under discussion/consideration questionable , debatable , at issue , in doubt , doubtful , open to debate
[7]	out of the question , unthinkable , impossible , absurd , ridiculous , preposterous , inconceivable , beyond consideration , insupportable
[8]	without question