easily

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”

without question

• “easily the best book she”

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”