What does "upscale" mean?

To increase in size, to scale up.

Upscale

Common synonyms include: affluent group, biotech manufacturing, boost, capacitating exercise session, chelsea, classier.

/ˈʌpskeɪl/ adj, verb

adj, verb ·Moderate ·College level

Verb

Adjective

1
Expensive and designed to appeal to affluent consumers. US
"For example, a good location for resale, such as an upscale suburb of new homes, will cost more money than a piece of land in an established neighborhood of small, postwar houses."

Adjective

"Shall we go to a little more upscale restaurant?"

From up + scale, 1966 (adjective), 1963 (verb).