unflurried
1. [ adjective ] free from emotional agitation or nervous tension
Synonyms: unperturbed unruffled unflustered
Examples:

"the waiters were unflurried and good natured" "with contented mind and unruffled spirit"- Anthony Trollope

Related terms: composed
Similar spelling:   unvalued
  unploughed
  unbloodied
  unifilar
  unflustered