conquer
Definitions
To overcome and take control of a place or people by military force.
To successfully master, surmount, or overcome a difficulty, obstacle, or fear.
To gain the admiration or love of someone.
Examples
The young athlete was determined to conquer her fear of heights before the competition.
Ancient empires often sought to conquer new territories to expand their influence and wealth.
With enough practice and dedication, you can conquer even the most difficult subjects in school.