seemly

adjective, seem·li·er, seem·li·est.

1. fitting or becoming with respect to propriety or good taste; decent; decorous: Your outburst of rage was hardly seemly.
2. suitable or appropriate; fitting: a seemly gesture.
3. of pleasing appearance; handsome.

adverb

4. in a seemly manner; fittingly; becomingly.

adjective -lier or -liest

1. proper or fitting
2. obsolete pleasing or handsome in appearance

adverb

3. archaic properly or decorously

adj.“of pleasing or good appearance,” also “proper, tasteful, decorous,” early 13c., semlich, from Old Norse soemiligr “becoming, honorable,” from soemr (see seem). Related: Seemliness. Cf. Old Norse soemleitr “fine to look at.”