enforce
Pronunciation: /ɪnˈfɔːs, ɛn-/
verb
- compel observance of or compliance with (a law, rule, or obligation): the role of the police is to enforce the law
- cause (something) to happen by necessity or force: there is no outside agency to enforce cooperation between the players
- archaic press home (a demand or argument): my father spoke like a preacher enforcing a precept of religion

Origin:
Middle English (in the senses 'strive' and 'impel by force'; formerly also as inforce): from Old French enforcir, enforcier, based on Latin in- 'in' + fortis 'strong'