Demure

a.	1.	Of sober or serious mien; composed and decorous in bearing; of modest look; staid; grave. Sober, steadfast, and demure. - Milton. Nan was very much delighted in her demure way, and that delight showed itself in her face and in her clear bright eyes. - W. Black.
	2.	Affectedly modest, decorous, or serious; making a show of gravity. A cat lay, and looked so demure, as if there had been neither life nor soul in her. - L'Estrange. Miss Lizzy, I have no doubt, would be as demure and coquettish, as if ten winters more had gone over her head. - Miss Mitford.
v. i.	1.	To look demurely.

Adj.

1.

demure - affectedly modest or shy especially in a playful or provocative way Synonyms: coy, overmodest

Quakerish, Victorian, backward, censorious, close, confused, conscious, coy, decent, decorous, earnest, formal, frowning, grave, grim, grim-faced, grim-visaged, hidebound, inarticulate, long-faced, mid-Victorian, mousy, narrow, nice, old-maidish, overmodest, priggish, prim, proper, prudish, puritanical, reserved, reticent, sanctimonious, sedate, seemly, self-conscious, serious, shamefaced, shamefast, silent, skittish, smug, sober, sober-minded, sobersided, solemn, somber, staid, stammering, stiff-necked, stone-faced, straight-faced, straitlaced, stuffy, thoughtful, timid, timorous, unassertive, unassured, unsmiling, weighty