Seemly behaviour or dress is appropriate in the particular circumstances. Self-assertion was not thought seemly in a woman. suitable for a particular situation or social occasion, according to accepted standards of behaviour unseemly (sœmligr, from sœmr; SEEM)
according with custom or propriety; "her becoming modesty"; "comely behavior"; "it is not comme il faut for a gentleman to be constantly asking for money"; "a decent burial"; "seemly behavior"