One of the mysteries of the English language finally explained.
Synonyms of easily in English:
easily
See definition of easily
adverb
1‘I overcame this problem quite easily in the end’
SYNONYMS
effortlessly, comfortably, simply, straightforwardly
with ease, without effort, with no trouble, with no bother, without difficulty, without a hitch, smoothly, on cruise control
skilfully, deftly, nimbly, smartly, very well
informal no sweat
ANTONYMS
laboriously
2‘he's easily the best military brain in the country’
SYNONYMS
undoubtedly, doubtlessly, without doubt, without question, indubitably, indisputably, undeniably, definitely, certainly, assuredly, positively, absolutely, clearly, obviously, patently, simply, surely, by far, far and away, by a mile, beyond the shadow of a doubt
informal as sure as eggs is eggs