THESAURUS
boon
advantage, avail, award, behalf, behoof, benediction, benefaction, benefit, benevolence, benison, blessing, blithe, blithesome, compliment, convivial, favor, festive, free and easy, gain, gay, gift, gleeful, godsend, good, grace, gratuity, hail-fellow-well-met, hearty, interest, jocund, jolly, jovial, largess, loaves and fishes, manna, manna from heaven, mirthful, present, profit, reward, welfare, well-being, world of good
ROGET THESAURUS
boon
Good
N
good, benefit, advantage, improvement, greatest good, supreme good, interest, service, behoof, behalf, weal, main chance, summum bonum, common weal, consummation devoutly to be wished, gain, boot, profit, harvest,
boon, good turn, blessing, world of good, piece of good luck, piece of good fortune, nuts, prize, windfall, godsend, waif, treasure-trove, good fortune, happiness, goodness, utility, remedy, pleasure giving, commendable, useful, good, beneficial, well, aright, satisfactorily, favorably, not amis, all for the best, to one's advantage, in one's favor, in one's interest, so far so good, magnum bonum.
Giving
N
giving, bestowal, bestowment, donation, presentation, presentment, accordance, concession, delivery, consignment, dispensation, communication, endowment, investment, investiture, award, almsgiving, charity, liberality, generosity, gift, donation, present, cadeau, fairing, free gift,
boon, favor, benefaction, grant, offering, oblation, sacrifice, immolation, lagniappe, pilon, grace, act of grace, bonus, allowance, contribution, subscription, subsidy, tribute, subvention, bequest, legacy, devise, will, dotation, dot, appanage, voluntary settlement, voluntary conveyance, amortization, alms, largess, bounty, dole, sportule, donative, help, oblation, offertory, honorarium, gratuity, Peter pence, sportula, Christmas box, Easter offering, vail, douceur, drink money, pourboire, trinkgeld, bakshish, fee, consideration, bribe, bait, ground bait, peace offering, handsel, boodle, graft, grease, blat, giver, grantor, donor, feoffer, settlor, giving, given, allowed, allowable, concessional, communicable, charitable, eleemosynary, sportulary, tributary, gratis, donative, auctor pretiosa facit, ex dono, res est ingeniosa dare.