preserve

To keep from injury, peril, or harm; protect. synonym: defend.

To keep in perfect or unaltered condition; maintain unchanged.

To keep or maintain intact.

To prepare (food) for storage or future use, as by canning or salting.

To prevent (organic bodies) from decaying or spoiling.

To protect (wildlife or natural resources) in a designated area, often for regulated hunting or fishing.

To maintain (an area) for the protection of wildlife or natural resources.

To treat fruit or other foods so as to prevent decay.

To maintain an area for the protection of wildlife or natural resources.