〜だろう (translations)→ apparently likely must perhaps presumably probably undoubtedly
あきらかに (translations)→ clear clearly definitely deliberate noticeably perceptibly utterly
おそらく (translations)→ actually conceivably may maybe obviously possibly
きっと (translations)→ always bet bitterly blankly but certainly fixedly hard have invariably just ought stiffly sure then tightly truly will
どうやら (translations)→ dimly evidently finally guess ostensibly reportedly would