Verb

To change with a specific direction, progress.

(ambitransitive) To progress through a sequence of stages.

* Owen

All insects acquire the jointed legs before the wings are fully developed .

To advance; to further; to promote the growth of.

* Jowett (Thucyd)

We must develop our own resources to the utmost.

To create.

* {{quote-magazine, year=2013, month=July-August, author= Catherine Clabby

, magazine=(American Scientist), title= Focus on Everything , passage=Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus.

To bring out images latent in photographic film.

To acquire something usually over a period of time.

(chess) To place one's pieces actively.

(snooker, pool) To cause a ball to become more open and available to be played on later. Usually by moving it away from the cushion, or by opening a pack.

(math) To change the form of (an algebraic expression, etc.) by executing certain indicated operations without changing the value.

Verb

(en verb)

To become wide or wider.

His eyes widened as her negligee fell to the floor.

To make wide or wider.

* {{quote-news

, year=2011 , date=September 29 , author=Tom Rostance , title=Stoke 2 - 1 Besiktas , work=BBC Sport citation , page= , passage=But he still saw his side produce a rousing display which owed much to their lauded prowess from set-pieces, despite Uefa regulations meaning the pitch had to be widened and, in the process, the run-up area for Delap's long throws reduced.}}

To let out clothes to a larger size.

She widened his trousers for him.

To broaden or extend in scope or range.

The police widened their enquiries.