olemus
Wiktionary, noun:
1. something (usually money) given in exchange for influence or as an inducement to dishonesty
2. that which seduces; seduction; allurement
Wiktionary, verb:
1. (transitive) to give a bribe to; specifically, to ask a person to do something, usually against his/her will, in exchange for some type of reward or relief from potential trouble
2. (transitive) To gain by a bribe; to induce as by a bribe

ülevaateid
https://en.wikipedia.org/wiki/Bribery
https://en.wikipedia.org/wiki/Gratuity
https://en.wikipedia.org/wiki/Corruption_Perceptions_Index
https://www.antibriberyguidance.org/guidance/5-what-bribery/guidance
https://www.investopedia.com/financial-edge/0512/the-biggest-bribe-cases-in-business-history.aspx
https://www.nber.org/system/files/working_papers/w17981/w17981.pdf
https://www.oecd.org/governance/ethics/1918235.pdf

Eesti karistusseadustik
https://www.riigiteataja.ee/akt/184411?leiaKehtiv
§ 294. Altkäemaksu võtmine
(1) Ametiisiku poolt talle või kolmandale isikule vara või muu soodustuse lubamisega nõustumise või vastuvõtmise eest vastutasuna tema ametiseisundi kasutamise eest –
karistatakse rahalise karistuse või kuni viieaastase vangistusega.
= Penal Code (Estonia)
https://www.riigiteataja.ee/en/eli/523122015005/consolide
§ 294. Accepting of bribe