legacyEnglishOxford American Thesauruslegacy noun 1 a legacy from a great aunt had paid for their house: bequest, inheritance, heritage, bequeathal, bestowal, benefaction, endowment, gift, patrimony, heirloom, settlement, birthright, provision; Law devise, hereditament. 2 the rancorous legacy of the Vietnam war | a legacy of the British Empire: consequence, effect, outcome, upshot, spin-off, repercussion, aftermath, footprint, byproduct, product, result; residue, fruits.