NOUN (1)

1. anything of material value or usefulness that is owned by a person or company;

The Collaborative International Dictionary of English v.0.48:

Assets \As"sets\, n. pl. [OF. asez enough, F. assez, fr. L. ad +
   satis, akin to Gr. ? enough, Goth. saps full. Cf. Assai,
   Satisfy.]
   1. (Law)
      (a) Property of a deceased person, subject by law to the
          payment of his debts and legacies; -- called assets
          because sufficient to render the executor or
          administrator liable to the creditors and legatees, so
          far as such goods or estate may extend. --Story.
          --Blackstone.
      (b) Effects of an insolvent debtor or bankrupt, applicable
          to the payment of debts.
          [1913 Webster]

   2. The entire property of all sorts, belonging to a person, a
      corporation, or an estate; as, the assets of a merchant or
      a trading association; -- opposed to liabilities.
      [1913 Webster]

   Note: In balancing accounts the assets are put on the Cr.
         side and the debts on the Dr. side.
         [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

96 Moby Thesaurus words for "assets":
   Swiss bank account, accounts, accounts payable,
   accounts receivable, affluence, assessed valuation,
   assets and liabilities, available means, balance, bank account,
   bottom dollar, bottomless purse, budget, budgeting, bulging purse,
   capital, capital goods, capitalization, cash reserves,
   checking account, circumstances, command of money, costing-out,
   current assets, deferred assets, easy circumstances,
   embarras de richesses, exchequer, expenditures, finances,
   fixed assets, fortune, frozen assets, fund, funds, gold, grist,
   handsome fortune, high income, high tax bracket, holdings,
   independence, intangible assets, intangibles, kitty, liabilities,
   life savings, liquid assets, lucre, luxuriousness, mammon,
   material assets, material wealth, means, money, money to burn,
   moneybags, moneys, nest egg, net assets, net worth, opulence,
   opulency, outstanding accounts, pecuniary resources, pelf, pocket,
   pool, possessions, property, prosperity, prosperousness, purse,
   quick assets, receipts, reserves, resource, resources, riches,
   richness, savings, savings account, six-figure income, stock,
   stock-in-trade, substance, supply, tangible assets, tangibles,
   treasure, unpaid accounts, unregistered bank account,
   upper bracket, wealth, wealthiness, wherewithal