Complacence \Com*pla"cence\, Complacency \Com*pla"cen*cy\, n. [LL. complacentia: cf. F. complaisance. See Complacent, and cf. Complaisance.]

1. Calm contentment; satisfaction; gratification.

The inward complacence we find in acting reasonably and virtuously. --Atterbury.

Others proclaim the infirmities of a great man with satisfaction and complacency, if they discover none of the like in themselves. --Addison.

2. The cause of pleasure or joy. ``O thou, my sole complacence.'' --Milton.

3. The manifestation of contentment or satisfaction; good nature; kindness; civility; affability.

Complacency, and truth, and manly sweetness, Dwell ever on his tongue, and smooth his thoughts. --Addison.

With mean complacence ne'er betray your trust. --Pope.

Source: Webster's Revised Unabridged Dictionary (1913)