go-getter

[ goh-get-er, -get- ]

/ ˈgoʊˈgɛt ər, -ˌgɛt- /

an enterprising, aggressive person.

Origin of go-getter

1920–25, Americanism; probably from the exhortation Go get 'em!; see -er¹

go-get·ting, adjective

The independent and go-getter spirit started young, with the band plastering posters throughout the Windy City.

OK Go Is Helping Redefine the Music Video For the Internet Age |Lauren Schwartzberg |December 15, 2014 |DAILY BEAST
They call him a go-getter in the movie, and he is a go-getter, especially for that part of the country in a depressed situation.

The King of Dramedy: Bob Odenkirk on ‘Nebraska,’ ‘Breaking Bad,’ and ‘Better Call Saul’ |Andrew Romano |November 17, 2013 |DAILY BEAST
According to “well-placed sources,” Couric did not appreciate her go-getter attitude.

NBC’s ‘Operation Bambi’: How ‘Today’ Booted Ann Curry Off |Melissa Leon |April 18, 2013 |DAILY BEAST
I'm sending you there, Harrison, because your record indicates that you're a go-getter.

Monsoons of Death |Gerald Vance

That would put him right up in the go-getter class, which is the class I want to see Kay marry into.

The Pride of Palomar |Peter B. Kyne
Applehead, I may here explain, was an ex-sheriff, and what range men call a "go-getter."

The Heritage of the Sioux |B.M. Bower
The next man we send out to that Shanghai office is going to be a go-getter.

The Go-Getter |Peter B. Kyne
If it was anybody else I'd say it was crazy, but you're such a doggoned hellion of a go-getter mebbe you can put it over.

Oh, You Tex! |William Macleod Raine

go-getter

informal an ambitious enterprising person

go-getting, adjective