Conquer

verb

1. To defeat in combat; to subjugate.
2. To acquire by force of arms, win in war.

   "In 1453, the Ottoman Empire conquered Istanbul."

3. To overcome an abstract obstacle.

   "Today I conquered my fear of flying by finally boarding a plane."

4. To gain, win, or obtain by effort.

   "to conquer freedom;   to conquer a peace"