Verb

(head)

(fortify)

Verb

(en-verb)

To increase the defenses of; to strengthen and secure by military works; to render defensible against an attack by hostile forces.

To impart strength or vigor to.

* Sir Walter Scott

Pride came to the aid of fancy, and both combined to fortify his resolution.

*

To increase the effectiveness of, as by additional ingredients.

* 1979 , Kiplinger's Personal Finance (volume 33, number 7, July 1979, page 47)

Compare the nutrition information label of a regular ready-to-eat fortified cereal with that of a presweetened brand and you'll note that, although the sweetened one's sugar content is higher, the fortification is virtually identical.

Verb

(head)

(enrich)

Verb

(es)

To make (someone) rich or richer.

To adorn, ornate more richly.

To improve the state of something.

Hobbies enrich lives.

To add nutrients or fertilizer to the soil; to fertilize.

* {{quote-magazine, date=2013-01

, author=Nancy Langston , title=The Fraught History of a Watery World , volume=101, issue=1, page=59 , magazine= citation , passage=European adventurers found themselves within a watery world, a tapestry of streams, channels, wetlands, lakes and lush riparian meadows enriched by floodwaters from the Mississippi River.}}

(physics) To increase the amount of one isotope in a mixture of isotopes, especially in a nuclear fuel.

To add nutrients to foodstuffs; to fortify