lady

dame, gentlewoman

madam, madame, senora (or señora)

beauty, belle, damsel, gal, girl, ingenue (or ingénue), lass, lassie, mademoiselle, maid, maiden, miss, senorita (or señorita)

bride

better half, companion, consort, mate, partner, significant other, soul mate, spouse

dowager, matron

hausfrau, homemaker, housewife

widow

baroness, countess, duchess, marchesa, marchioness, marquise, princess, queen, viscountess

dowager, matriarch, matron, mistress

ladyship, madam

beloved, darling, dear, favorite, flame, honey, love, lover, significant other, sweet, sweetheart, valentine