revenue enhancement(n = noun.possession) tax, taxation - charge against a citizen's person or property or activity for the support of government; Array
is a kind of levy
has particulars: single tax, income tax, capital gains tax, capital levy, departure tax, franchise tax, gift tax, direct tax, indirect tax, capitation, graduated tax, progressive tax, proportional tax, degressive tax, rates, stamp duty, stamp tax, pavage, transfer tax, special assessment

collector of internal revenue, enhancement, government revenue, gross revenue, inland revenue, internal revenue, internal revenue agent, internal revenue service, revenue, revenue bond, revenue sharing, revenue stamp, revenue tariff, tax revenue, unearned revenue, utility revenue bond