smug

Exhibiting or feeling great or offensive satisfaction with oneself or with one's situation; self-righteously complacent.

To make smug or spruce: often with up.

Smooth; sleek; neat; trim; spruce; fine: also, affectedly proper; unctuous; especially, affectedly nice in dress; satisfied with one's own appearance; hence, self-satisfied in any respect.

Affectedly or conceitedly smart.

One who is affectedly proper and nice; a self-satisfied person.