To assume or take responsibility, especially in another's absence.
To maintain a secure position.
To take over the position or role from.
To place again.
To put in a new or different place.
To take the place of; to be used instead of
To restore to a former place, position, condition, etc.; to put back
To refund; to repay; to pay back
To supply or substitute an equivalent for
To demolish (a building) and build an updated form of that building in its place.