COMPLAISANTLY
Etymology
Adverb
complaisantly (comparative more complaisantly, superlative most complaisantly)
In a complaisant manner; obligingly.
Usage notes
As this is much less common, it is liable to be confused in speech with the more common homophone complacently.
Source: Wiktionary
COMPLAISANT
Com"plai*sant, a. Etym: [F. complaisant, p. pr. of complaire to
acquiesce as a favor, fr. L. complacere. See Complacent.]
Definition: Desirous to please; courteous; obliging; compliant; as, a
complaisant gentleman.
There are to whom my satire seems too bold: Scarce to wise Peter
complaisant enough. Pope.
Syn.
– Obliging; courteous; affable; gracious; civil; polite; well-bred.
See Obliging.
– Com"plai*sant`ly, adv.
– Com"plai*sant`ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition