Adverb
1. with ease (`easy' is sometimes used informally for `easily');
"she was easily excited""was easily confused""he won easily""this china breaks very easily""success came too easy"2. without question;
"easily the best book she's written"3. indicating high probability; in all likelihood;
"I might well do it""a mistake that could easily have ended in disaster""you may well need your umbrella""he could equally well be trying to deceive us"