cheessee
In Yiddish, the word for "bribe" is "שחד" (shochad).
An 8-letter word that ends in "ilt" is "exultant." It describes a feeling of great happiness and triumph, often as a result of success or victory.
campaign, vacation
The 8-letter word that fits the pattern "e-alese" is "estimate," which means to roughly calculate or approximate a quantity or value.
A number of words might be considered the "opposite" of a Bribe. Perhaps Blackmail or Solicitation (of a bribe). See the thesaurus links below.
sop, payoff
ireland
sop
enticement inducement
Bribe
ambush, appeal, bribe, camouflage
The word you are looking for is "sap."