tithe

alms, benefaction, beneficence, benevolence, charity, contribution, dole, handout, oblation, offering, philanthropy

bestowal, comp, donation, donative, fairing [British], freebie (or freebee), gift, giveaway, handsel, lagniappe, largesse (also largess), present, presentation

box [British], care package, foy [chiefly Scottish]

grant, subsidy

remembrance, tribute, valentine

bonus, boon, windfall

courtesy, favor, generosity, sacrifice

gratuity, propine [Scottish], tip

award, prize, reward

dowry

bequest, endowment, legacy