〜かもしれない (translations)→ maybe perhaps probably surely
〜だろう (translations)→ apparently doubtless must presumably undoubtedly
おおかた (translations)→ almost generally lot most they
かもしれない (translations)→ accept could might possibility possible seem suppose
きっと (translations)→ always bet bitterly blankly but certainly definitely fixedly hard have invariably just obviously ought stiffly sure then tightly truly will
しかねない (translations)→ capable would
だろう (translations)→ deduce evidently may see seemingly think
どうやら (translations)→ clearly dimly finally guess ostensibly reportedly
ぴったりの (translations)→ appropriate good
まともな (translations)→ civilized commonsense controversial decent decently direct full-sized honest important nice normal okay orderly ordinary praiseworthy proper real reasonably regular respectable responsible sane serious solid sound together wise workable
往々にして (translations)→ easily often sometimes tendency
可能性 (translations)→ benefit can capability chance likelihood odds option potentiality probability promise prospect thing viability way
可能性がある (translations)→ possibly potentially
考えられる (translations)→ certain imagine presumable