upscale

Etymology

up + scale, 1966

adj

1. (US) Marked by wealth or quality; high-class; upmarket.
   In Rio de Janeiro, thousands protested in a gritty area far from the city’s upscale seaside districts. In other cities, demonstrators blocked roads, barged into City Council meetings or interrupted sessions of local lawmakers, clapping loudly and sometimes taking over the microphone. June 18 2013, Simon Romero, “Protests Widen as Brazilians Chide Leaders”, in New York Times, retrieved 2013-06-21
   2002 "This strategy [of rotating the garage with respect to the street] has become popular in many upscale housing developments nationwide primarily becaues it de-emphasizes the garage and makes the house look more like their traditional counterparts from the turn of the last century." — Sarah Susanka, Not So Big Solutions for Your Home

verb

1. To increase in size, to scale up.