Com-pŭl'sa-to-ry1, a.
a. Operating by force; compelling; forcing; constraining. [Rare.] To recover of us by strong hand, And terms compulsory, those foresaid lands. Shak.
2 entries under this word
Compulsory
Com-pul'so-ry2, a.
a. [L. Lat. compulsorius.] Having the power or quality of compelling; constraining. This contribution threatening to fall infinitely short of their hopes, they soon made it compulsory. Burke.