fortify
/ˈfɔːtɪfaɪ/verb
To make a place stronger against attack by building defenses; to strengthen something.
Example sentences
- “The soldiers fortified the town with walls and trenches.”
- “This breakfast cereal is fortified with iron and vitamins.”
Also standard for food and drink: fortified cereal has added vitamins, fortified wine has added spirits. People fortify themselves with coffee before hard tasks.