Verb

To grow or increase stature; to grow vigorously or luxuriantly, to flourish.

:* 1819' (though spoken by a character in the 12-century): “It seems to me, reverend father,” said the knight, “that the small morsels which you eat, together with this holy, but somewhat thin beverage, have '''thriven with you marvellously.” — Walter Scott, ''Ivanhoe

To increase in wealth or success; to prosper, be profitable.

Since expanding in June, the business has really thrived .

* {{quote-news

, year=2012 , date=April 29 , author=Nathan Rabin , title=TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992) citation , page= , passage=Though they obviously realized that these episodes were part of something wonderful and important and lasting, the writers and producers couldn’t have imagined that 20 years later “Treehouse Of Horror” wouldn’t just survive; it’d thrive as one of the most talked-about and watched episodes of every season of The Simpsons.}}

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.