Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bonus

2 senses of bonus

Sense 1
bonus, fillip -- (anything that tends to arouse; "his approval was an added fillip")
       => positive stimulus -- (a stimulus with desirable consequences)

Sense 2
bonus, incentive -- (an additional payment (or other remuneration) to employees as a means of increasing output)
       => payment -- (a sum of money paid or a claim discharged)