Antonyms of adj ill_at_ease

1 sense of ill at ease

Sense 1
awkward, ill at ease (predicate), uneasy -- (socially uncomfortable; unsure and constrained in manner; "awkward and reserved at parties"; "ill at ease among eddies of people he didn't know"; "was always uneasy with strangers")

INDIRECT (VIA uncomfortable) -> comfortable -- (free from stress or conducive to mental ease; having or affording peace of mind; "was settled in a comfortable job, one for which he was well prepared"; "the comfortable thought that nothing could go wrong"; "was comfortable in his religious beliefs"; "she's a comfortable person to be with"; "she felt comfortable with her fiance's parents")

Similarity of adj ill_at_ease

1 sense of ill at ease

Sense 1
awkward, ill at ease (predicate), uneasy -- (socially uncomfortable; unsure and constrained in manner; "awkward and reserved at parties"; "ill at ease among eddies of people he didn't know"; "was always uneasy with strangers")
       => uncomfortable (vs. comfortable) -- (conducive to or feeling mental discomfort; "this kind of life can prove disruptive and uncomfortable"; "the uncomfortable truth"; "grew uncomfortable beneath his appraising eye"; "an uncomfortable way of surprising me just when I felt surest"; "the teacher's presence at the conference made the child very uncomfortable")