Brown Driver Briggs

 1. to prevail, have strength, be strong, be powerful, be mighty, be great
  1) (Qal)
1a1. to be strong, mighty
1a2. to prevail
  2) (Piel) to make strong, strengthen
  3) (Hiphil)
1c1. to confirm, give strength
1c2. to confirm (a covenant)
  4) (Hithpael)
1d1. to show oneself mighty
1d2. to act proudly (toward God)