boun·ty 
(bountē)
(bountē)n. pl. boun·ties
1. Liberality in giving.
2. Something given liberally.
3. A reward, inducement, or payment, especially one given by a government for acts deemed beneficial to the state, such as killing predatory animals, growing certain crops, starting certain industries, or enlisting for military service.
[Middle English bounte, from Old French bonte, from Latin bonitās, goodness, from bonus, good; see deu-2 in the Appendix of Indo-European roots.]