| easily |
| emphatically(adverb, absolutely, really, positively, easily) |
| entirely(adverb, really, exactly, truly, definitely) |
| exactly(adverb, really, precisely, truly, definitely) |
| extremely(adverb, drastically, prohibitively) |
| fixedly(adverb, absolutely, certainly, clearly, definitely) |
| for certain(expression, adverb, absolutely, certainly, clearly) |
| forsooth |
| in actuality(expression, adverb, well, absolutely, certainly) |
| in all conscience(expression, idiom) |
| in fact(expression, adverb, well, absolutely, certainly) |
| in point of fact(expression, idiom, adverb, well, absolutely) |
| in reality(expression, adverb, well, absolutely, certainly) |
| in spades(expression, adverb, absolutely, really, positively) |
| incontestably |
| inerrably |
| inexorably(adverb, absolutely, certainly, clearly, definitely) |
| infallibly(adverb, absolutely, certainly, clearly, definitely) |
| legitimately(adverb, well, absolutely, certainly, easily) |
| no catch(adverb, absolutely, really, positively, easily) |