[DCG]

It's evolution definitely not revolution.

So-so (adv.)
mid-15c., "moderately well," 1520s, "indifferently, neither too poorly nor too well," from so (adv.), which is attested from mid-13c. in the sense "in this state or condition." As an adjective, "mediocre, neither too good nor too bad," 1540s.

I want to be wowed!