questionable
Cross references:
1. doubtful
ques.tion.able \'kwes(h)-ch*-n*-b*l, rapid 'kwesh-n*-\ \-ble-\ aj obs 1:
inviting inquiry obs 2: liable or amenable to judicial inquiry or action
3: affording reason for being doubted, questioned, or challenged : not c
ertain or exact : PROBLEMATIC {milk of ~ purity} {~ decision} 4: attended
by well-grounded suspicions of being immoral, crude, false, or unsound :
DUBIOUS {~ motives} - ques.tion.able.ness n
Webster's English Dictionary