| questionably | (adv) in a questionable and dubious manner, Syn. dubiously, Example: these were estates his father questionably acquired |
| unquestionably | (adv) without question, Syn. unimpeachably, Example: Fred Winter is unquestionably the jockey to follow; they hired unimpeachably first-rate faculty members |
| decidedly | (adv) without question and beyond doubt, Syn. by all odds, emphatically, in spades, unquestionably, definitely, Example: it was decidedly too expensive; she told him off in spades; by all odds they should win |