adjective

1. having or showing a moderate opinion of one's own value, abilities, achievements, etc.; not vain or boastful; unassuming
2. not forward; shy or reserved modest behavior
3. behaving, dressing, speaking, etc. in a way that is considered proper or decorous; decent
4. moderate or reasonable; not extreme a modest request
5. quiet and humble in appearance, style, etc.; not pretentious a modest home

Etymology: Fr modeste < L modestus, keeping due measure, modest < modus: see mode