imperturbably


im·per·turb·a·ble

I0059200 (ĭm′pər-tûr′bə-bəl)adj. Unshakably calm and collected: "His ... facial expression never deviated from the imperturbable mask" (Molly Worthen). See Synonyms at cool.
im′per·turb′a·bil′i·ty, im′per·turb′a·ble·ness n.im′per·turb′a·bly adv.
Translations
imperturbablementcon calma