The Oxford Thesaurus An A-Z Dictionary of Synonyms - capital n.

1) head, top, crown, cap: The column was surmounted by a finely carved capital. 2) seat (of government) : Winnipeg is the capital of Manitoba. 3) money, assets, funds, finance(s) , cash, wherewithal; wealth, means, property, resources, savings, principal: My capital is invested in land at the moment. 4) majuscule, upper case, large letter, initial, Colloq cap: The chapter titles should be set in capitals. --adj. 5) chief, main, major, important, cardinal, central, principal, prime, primary, paramount, pre-eminent, foremost, leading: Our capital responsibility is to ensure the passengers' safety. 6) first-class, first-rate, excellent, superior, matchless, peerless, choice, select, outstanding, fine, superb, splendid, marvellous, extraordinary, Colloq smashing, great, super, Brit brill, Old-fashioned topping, top-hole, ripping, ripsnorting: Eating out tonight was a capital idea.