| surely(adverb, difficulty, doubt) |
| calmly(adverb, difficulty, moderately, simply, casually) |
| efficiently(adverb, difficulty, readily, clearly, simply) |
| fluently(adverb, difficulty, facilely) |
| positively(adverb, doubt, absolutely) |
| swimmingly(adverb, difficulty, well, facility, freely) |
| undoubtedly(adverb, doubt, well, absolutely, very) |
| without difficulty(expression, adverb, freely, immediately, readily) |
| casually(adverb, quietly, softly, gently, sluggishly) |
| conveniently(adverb, difficulty) |
| dexterously(adverb, difficulty, readily, simply, smoothly) |
| easy(adjective, adverb, facility) |
| indeed(adverb, doubt, actually) |
| indubitably(adverb, doubt, well, absolutely, certainly) |
| plainly(adverb, difficulty, doubt) |
| probably(adverb, doubt) |
| really(adverb, doubt) |
| slowly(adverb, casually, sluggishly, unhurriedly) |
| truly(adverb, doubt) |
| with ease(expression, idiom, adverb, difficulty) |