emolument(n = noun.possession) - compensation received by virtue of holding an office or having employment (usually in the form of wages or fees); "a clause in the U.S. constitution prevents sitting legislators from receiving emoluments from their own votes"
is a kind of compensation

   The profit arising from office, employment, or labor; gain; compensation; advantage; perquisites, fees, or salary. [1913 Webster]
"A long . . . enjoyment of the emoluments of office." [1913 Webster]

emolument, n. a salary, fee, or profit from employment or office.

Etymology:
ME f. OF emolument or L emolumentum, orig. prob. 'payment for corn-grinding', f. emolere (as E-, molere grind)

N  acquisition, gaining, obtainment, procuration, procurement, purchase, descent, inheritance, gift, recovery, retrieval, revendication, replevin, restitution, redemption, salvage, trover, find, trouvaille, foundling, gain, thrift, money-making, money grubbing, lucre, filthy lucre, pelf, loaves and fishes, the main chance, emolument, profit, earnings, winnings, innings, pickings, net profit, avails, income, proceeds, produce, product, outcome, output, return, fruit, crop, harvest, second crop, aftermath, benefit, sweepstakes, trick, prize, pool, pot, wealth, subreption, obreption, stealing, acquiring, acquired, profitable, advantageous, gainful, remunerative, paying, lucrative, lucri causa.

N  receipt, value received, money coming in, income, incomings, innings, revenue, return, proceeds, gross receipts, net profit, earnings, accepta, avails, rent, rent roll, rental, rentage, rack-rent, premium, bonus, sweepstakes, tontine, pension, annuity, jointure, alimony, palimony, pittance, emolument, receiving, received, profitable.

N  reward, recompense, remuneration, meed, guerdon, reguerdon, price, indemnity, indemnification, quittance, compensation, reparation, redress, satisfaction, reckoning, acknowledgment, requital, amends, sop, atonement, retribution, consideration, return, quid pro quo, salvage, perquisite, vail, douceur, bribe, hush money, smart money, blackmail, extortion, carcelage, solatium, allowance, salary, stipend, wages, compensation, pay, payment, emolument, tribute, batta, shot, scot, bonus, premium, tip, fee, honorarium, hire, dasturi, dustoori, mileage, crown, remunerative, remuneratory, munerary, compensatory, retributive, reparatory, rewarding, satisfactory, fideli certa merces, honor virtutis praemium, tibi seris tibi metis.