unruffle

[ uhn-ruhf-uh l ]
/ ʌnˈrʌf əl /

verb (used with object), un·ruf·fled, un·ruf·fling.

to calm (someone).
to smooth out (something).

verb (used without object), un·ruf·fled, un·ruf·fling.

to become calm or smoothed out.

Origin of unruffle

First recorded in 1690–1700; un-2 + ruffle1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019