definition of
pioneer

[1] #1 pioneer v. [open up] open up an area or prepare a way; "She pioneered a graduate program for women students". wn

[2] #2 pioneer n. [innovator, trailblazer, groundbreaker] someone who helps to open up a new line of research or technology or art. wn

[3] #3 pioneer n. one the first colonists or settlers in a new territory; "they went west as pioneers with only the possessions they could carry with them". wn

[4] #4 pioneer v. [initiate] take the lead or initiative in; participate in the development of; "This South African surgeon pioneered heart transplants". wn

[5] #5 pioneer v. open up and explore a new area; "pioneer space". wn