enforce as in ensure observance of laws and rules

• "Apply the rules to everyone"

Synonyms

• implementinstrumentation (a piece of equipment or tool) used to effect an end ; apply in a manner consistent with its purpose or design; ensure observance of laws and rules; pursue to a conclusion or bring to a successful issue
• applyput into service; be pertinent or relevant or applicable; ask (for something); apply to a surface; be applicable to; give or convey physically; avail oneself to; ensure observance of laws and rules; refer (a word or name) to a person or thing; apply oneself to

enforce as in compel to behave in a certain way

• "Social relations impose courtesy"
• "duty constrains one to act often contrary to one's desires or inclinations"

Synonyms

• imposecompel to behave in a certain way; impose something unpleasant; impose and collect
• constraincompel to behave in a certain way; to close within bounds, or otherwise limit or deprive of free movement; severely restrict in scope or extent