treasure

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Accumulated or stored wealth in the form of money, jewels, or other valuables.
• noun Valuable or precious possessions of any kind.
• noun One considered especially precious or valuable.
• transitive verb To keep or regard as precious; value highly. synonym: appreciate.
• transitive verb To accumulate or store away, as for future use.

from The Century Dictionary.

• To hoard up; lay up in store; collect and lay up, as money or other valuables, for future use or for preservation; accumulate; store: usually with up.
• To retain carefully in the mind: often with up.
• To regard as precious; prize.
• To furnish or endow with treasures; enrich.
• noun Money or jewels in store; wealth accumulated; riches hoarded; particularly, a stock or store of money in reserve.
• noun Specifically, gold or silver, either as it comes from the mine, or in bullion, coin, or plate; especially, coin.
• noun A quantity of anything gathered together; a store; a wealth.
• noun Something which is greatly valued; that which is highly prized or very valuable.
• noun A treasure-house; a treasury.

from the GNU version of the Collaborative International Dictionary of English.

• noun Wealth accumulated; especially, a stock, or store of money in reserve.
• noun A great quantity of anything collected for future use; abundance; plenty.
• noun That which is very much valued.
• noun a city for stores and magazines.
• transitive verb To collect and deposit, as money or other valuable things, for future use; to lay up; to hoard; usually with up.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun uncountable A collection of valuable things.
• noun countable Any single thing that one values greatly.
• noun countable A term of endearment.
• verb transitive, of a person or thing To consider to be precious.
• verb transitive To store or stow in a safe place.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun art highly prized for its beauty or perfection
• noun a collection of precious things
• verb hold dear
• verb be fond of; be attached to
• noun accumulated wealth in the form of money or jewels etc.
• noun any possession that is highly valued by its owner