Cultivate (verb)

1. To prepare and use for the raising of crops; to till.
2. To promote the growth of something.
3. To improve or develop a skill, knowledge, or talent through study or practice.
4. To maintain or develop a particular friendship or relationship.

Origin:

Middle english cultivaten, from latin cultivat-, past participle of cultivare "to till, cultivate", from cultus "care, cultivation, worship" + -vare "to make, do".

Examples:

1. They cultivated the land for crops.
2. He cultivated a love for music from a young age.
3. She cultivated a relationship with her boss.
4. They cultivated a garden in their backyard.
5. He cultivated a taste for fine wine.