Verb

(en verb)

(label) To change (something) from a smaller form and/or size to a larger one.

(label) To increase the extent, number, volume or scope of (something).

* (John Milton) (1608-1674)

Then with expanded wings he steers his flight.

(label) To express (something) at length and/or in detail.

To rewrite (an expression) as a longer, yet equivalent sum of terms.

To multiply both the numerator and the denominator of a fraction by the same natural number yielding a fraction of equal value

(label) To (be) change(d) from a smaller form/size to a larger one.

(label) To (be) increase(d) in extent, number, volume or scope.

(label) To speak or write at length or in detail.

*{{quote-book, year=1899, author=(Stephen Crane)

, title=, chapter=1 , passage=There was some laughter, and Roddle was left free to expand his ideas on the periodic visits of cowboys to the town. “Mason Rickets, he had ten big punkins a-sittin' in front of his store, an' them fellers from the Upside-down-F ranch shot 'em up […].”}}

(label) To feel generous or optimistic.

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