Synonyms for Preserve:

n.

clean up, clean, catalytic converter, carbon-neutral, carbon trading, biological control, the carbon cycle, biohazard, carbon sink, biodegradable. jam, jelly, paste, peanut butter, marmalade, care for, butter, spread, caviar. fiefdom, kingdom, orbit, domain. reservation, jog along, level, standardize, stabilize, regularize, withstand, territory. preserve (noun)
bear on, conserves, maintain, preserves, carry on, save, uphold, continue, conserve, keep up, keep.

v.

care for, maintain; continue (verb)
keep, bottle, evaporate, shield, pickle, protect, process, can, keep up, refrigerate, season, freeze, shelter, conserve, secure, uphold, store, put up, mummify, guard, safeguard, save, cure, retain, defend.
change (verb)
keep.
conserve (verb)
maintain, reserve, save, keep.
preserve (verb)
conserve, bank, freeze, bottle, marinate, petrify, mummify, quick-freeze, archive, refrigerate, can, embalm.
protect (verb)
guard, shield, cover, safeguard, protect, defend, shelter, secure.
retain (verb)
hold, prevent, retain, hinder.
stative (verb)
carry on, bear on, keep, uphold, continue.

Other synonyms:

menagerie, fiefdom, carpentry, petting zoo, game reserve, regularize, peanut butter, jog along, mortise, sawdust, caviar, marmalade, game preserve, joinery, standardize. kingdom, dovetail, captivity, orbit, stabilize, moat, withstand, knotty, souse, butter. fend, sand. domain. paste. reservation. pound. jam. season. spread. level. curl
kipper.
jam
jelly.
protect
defend, safeguard.
retain
retain.

Usage examples for preserve

  1. The Duchess de Polignac and her relations now saw that they must be off, if they wished to preserve their liberty- perhaps their lives. – The Peasant and the Prince by Harriet Martineau
  2. That it may please thee to give and preserve to our use the kindly fruits of the earth, so as in due time we may enjoy them. – Britain for the British by Robert Blatchford
  3. Suppose he did engage in the exciting sport of worrying a nobleman who had a game preserve – Stories of Authors, British and American by Edwin Watts Chubb