The Oxford Thesaurus An A-Z Dictionary of Synonyms - enforce v.

1) insist upon or on, stress, require, impose, support, put into effect, apply, administer, carry out, inflict, bring to bear, implement, prosecute, discharge; reinforce; Colloq crack or clamp down: The police will enforce the curfew tonight. 2) force, compel, pressure or Brit pressurize, press, coerce, lay stress upon or on, impose upon or on, impress upon or on, insist upon or on, demand, require; intimidate, browbeat, bully, railroad; Colloq lean on, twist (someone's) arm: They hired thugs to enforce their claim.