To strengthen (a castle, town etc.) with extra troops, fortifications etc.
To intensify, make stronger, add force to.
To exert oneself, to try hard.
- I pray you enforce youreselff at that justis that ye may be beste, for my love.
To give strength or force to; to affirm, to emphasize.
- The victim was able to enforce his evidence against the alleged perpetrator.
To compel, oblige (someone or something); to force.
- Uladislaus the Second, King of Poland, and Peter Dunnius, Earl of Shrine had been hunting late, and were enforced to lodge in a poor cottage.
To keep up, impose or bring into effect something, not necessarily by force.
- The police are there to enforce the law.