expression, ichidan verb
make a name for oneself; achieve success; rise in the world
Idiomatic expression for launching a new venture or career and gaining recognition or success, often with a connotation of bold ambition.
彼は若い頃に独立して一旗揚げようと決心した。
When he was young, he decided to strike out on his own and make a name for himself.
新しい事業で一旗揚げるつもりだ。
I intend to achieve success with my new business.