| certain(adjective, clear, certain, definite, sure) |
| indisputably(adverb, likely, certainly, clearly, plainly) |
| likely(adverb, probably, presumably) |
| presumably(adverb, absolutely, likely, certainly, reasonably) |
| undeniably(adverb, absolutely, certainly, easily, clearly) |
| assured(adjective, clear, certain, sure, positive) |
| assuredly(adverb, likely, assent, certainly) |
| beyond doubt(expression, idiom, adverb, absolutely, positively) |
| of course(expression, idiom, adverb, certainty, likely) |
| unequivocally(adverb, absolutely, likely, certainly, easily) |
| indubitable(adjective, clear, certain, definite, sure) |
| positive(adjective, clear, certain, definite, sure) |
| unquestionable(adjective, clear, certain, definite, sure) |
| apparently(adverb, likely, certainly) |
| convinced(adjective, clear, certain, definite, positive) |
| for certain(expression, idiom, adverb, certainty) |
| for sure(expression, idiom, adverb, likely, certainly) |
| in all probability(expression, idiom, adverb, probably, presumably) |
| incontrovertible(adjective, clear, certain, definite, positive) |
| indisputable(adjective, clear, certain, definite, sure) |