Vested imp. & p. p. : of Vest

Vested a. : Clothed; robed; wearing vestments.

Vested a. : Not in a state of contingency or suspension; fixed; as, vested rights; vested interests.

Example:
What does it mean to be partially Vested in a pension plan?

Taxonomy
employee, vest, portion, employer, over time, stock, arrangements, vesting schedule, retirement plan, employer contributions, company founder, free encyclopedia, taken away, vested interest, reward employees, common stock, vesting period, asset.

Defination from the web:
vested right to an asset that cannot be taken away by any third party, even though one may not yet possess the asset. ... For retirement plans in the United States, employees are fully vested in their own salary deferral contributions upon inception. ...