verb

• To keep up, impose or bring into effect something, not necessarily by force.
• To give strength or force to; to affirm, to emphasize.
• (obsolete, transitive) To strengthen (a castle, town etc.) with extra troops, fortifications etc.
• (obsolete, transitive) To intensify, make stronger, add force to.
• (obsolete, reflexive) To exert oneself, to try hard.
• (obsolete) To compel, oblige (someone or something); to force.
• (obsolete) To make or gain by force; to force.
• (obsolete) To put in motion or action by violence; to drive.
• (obsolete) To give force to; to strengthen; to invigorate; to urge with energy.
• (obsolete) To urge; to ply hard; to lay much stress upon.
• (obsolete) To prove; to evince.