- adjective (adj)

Meaning: calm, collected

Synonyms: assured complacent composed cool cool as cucumber disimpassioned equanimous hard as nails immovable nerveless nonchalant roll with punches sedate self-possessed selfsatisfied smug stiff upper lip stoical thickskinned tranquil unaffected undisturbed unexcitable unflappable unmoved unruffled untouched

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.