1. (noun)bonus, fillip anything that tends to arouse Synonyms: incentive, fillip, bonus
2. (noun)bonus, incentive an additional payment (or other remuneration) to employees as a means of increasing output Synonyms: incentive, motivator, fillip, bonus, inducement
Synonyms, Thesaurus & Antonyms of 'bonus'
English Synonyms and Antonyms
1. bonus A subsidy is pecuniary aid directly granted by government to an individual or commercial enterprise, or money furnished by one nation to another to aid it in carrying on war against a common enemy. Synonyms: subsidy, aid, bounty, indemnity, reward, support, allowance, gift, pension, subvention, tribute, bonus, grant, premium
Synonyms for bonus 
