Becoming; fit; suitable, in words, behavior, dress and ceremony; as decent language; decent conduct or actions; decent ornaments or dress.

Comely; not gaudy or ostentatious. A sable stole of Cyprus lawnN . O’er the decent shoulders drawn.

Not immodest.

In popular language, moderate, but competent; not large; as a decent fortune. So a decent person is one not highly accomplished, nor offensively rude.