Seemly (adjective)

Appropriate or suitable in the circumstances; decent, respectable, or becoming.

Origin:

From seem.

Examples:

1. It would not be seemly for a lady to wear such a low-cut dress.
2. It was not seemly for a man to wear shorts to a formal event.
3. The behavior was not seemly for a person in public office.
4. It was deemed unseemly for the guests to arrive late to the wedding.
5. The language used was not seemly for the occasion.