The early Americans who set out to settle in the west are examples of pioneers.
A pioneer in aviation.
A pioneer treatment for cancer.
The pioneer spirit.
Pioneered in development of the laser.
Some people will consider their national heroes to be pioneers of civilization.
Certain politicians can be considered as pioneers of reform.
Surgeons who pioneered organ transplants.
Origin of pioneer
- French pionnier from Old French peonier foot soldier from peon from Medieval Latin pedō pedōn- from Late Latin one who has broad feet from Latin pēs ped- foot ped- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition