Pioneer (1862)
WordNet
noun
(1) One the first colonists or settler in a new territory
"They went west as pioneers with only the possessions they could carry with them"
(2) Someone who helps to open up a new line of research or technology or art
verb
(3) Open up and explore a new area
"Pioneer space"
(4) Take the lead or initiative in; participate in the development of
"This South African surgeon pioneered heart transplants"
(5) Open up an area or prepare a way
"She pioneered a graduate program for women students"