COMPLACENTLY
complacently
(adverb) in a self-satisfied manner; “he complacently lived out his life as a village school teacher”
Source: WordNet® 3.1
Etymology
Adverb
complacently (comparative more complacently, superlative most complacently)
In a complacent manner; overly calm and contented; not troubled.
Source: Wiktionary
Com*pla"cent*ly, adv.
Definition: In a complacent manner.
COMPLACENT
Com*pla"cent, a. Etym: [L. complacens very pleasing, p. pr. of
complacere; com- + placere to please: cf. F. complaisant. See Please
and cf. Complaisant.]
Definition: Self-satisfied; contented; kindly; as, a complacent temper; a
complacent smile.
They look up with a sort of complacent awe . . . to kings. Burke.
Source: Webster’s Unabridged Dictionary 1913 Edition