upcycle

A period of a cycle where something is increasing or improving.

Noun

A period of a cycle where something is increasing or improving.
- You could probably take care of yourself through the cycles but during the period when one of the upcycles—it should be an upcycle for your business—you just said you are going through a worse depression from that...
- The upcycle has lasted so long that many economists even doubt the old cycle theories. Others try to label the lull in 1962 and again this year as the downcycles. - 1967, Steel: The Magazine of Metalworking and...
- Over the past decade Cambodia has made considerable strides, achieving sustained growth and poverty reduction, aided in part by the global upcycle. - 2009 December, “Staff Appraisal”, in Cambodia: 2009 Article IV...

From up + cycle.

To convert (waste materials, etc.) into new materials or products of higher quality and greater functionality.
- Recycling in many cases means "downcycling" – in particular cases, however, it can also mean "upcycling". - 1994, Jim Mason, editor, Design for Manufacturability, 1994: An Environment for Improving Design and Designing...
- As I child I made thins from "nothing." If I didn't have any store-bought materials, I would go to my closet and cut up my least favorite article of clothing and make something new with it. It just made sense to use,...
- For Tom Szaky, founder and chief executive of TerraCycle, which collects used plastic bags, juice pouches, cookie wrappers and other items that cannot be recycled and ‘upcycles’ or morphs them into items such as...
To promote into a more productive or useful role.
- One designer I know was known for his vibrant use of color in his fashions. When he purchased a weekend home not too far from me, he had this crazy idea to paint the bark of the trees in different bright shades. […] To...
- Friday night's crowning victory at The Hawthorns was the 25th in 30 league matches since Antonio Conte's decisive re-gearing of his team in September, the tactical switches that have coaxed such a thrilling run from...
- "[...] We are upcycling the trains we have, to ensure they last longer and give a better service." - 2021 November 17, Paul Clifton, “Ensuring the Electrostars shine brighter”, in RAIL, number 944, page 60:

Blend of up- + recycle or possibly upgrade + recycle.