• IPA: /kəmˈpleɪsəns/

complacence

1. (archaic) Being complacent; a feeling of contentment or satisfaction; complacency.

   • The inward complacence we find in acting reasonably and virtuously.

2. (obsolete) Pleasure, delight.
   • 1667, John Milton, “Book 3”, in Paradise Lost. A Poem Written in Ten Books, London: Printed [by Samuel Simmons], and are to be sold by Peter Parker […] [a]nd by Robert Boulter […] [a]nd Matthias Walker, […], OCLC 228722708 ↗; republished as Paradise Lost in Ten Books: The Text Exactly Reproduced from the First Edition of 1667: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554 ↗:

     O thou, my sole complacence.

3. (obsolete) Complaisance; a willingness to comply with others' wishes.
   • 1749, Henry Fielding, Tom Jones, Folio Society 1973, pp. 33-4:

     He told his sister, if she pleased, the new-born infant should be bred up together with little Tommy; to which she consented, though with some little reluctance: for she had truly a great complacence for her brother [...].

• self-complacency
• self-satisfaction