Answer:

pioneers

Answer	Crossword Clue
PIONEERS	Leaders
PIONEERS	Trailblazers
PIONEERS	Boone and Bowie

PIONEERS	Innovates
PIONEERS	Explorers of the unknown
PIONEERS	Groundbreakers
PIONEERS	Avant-garde
PIONEERS	First settlers
PIONEERS	... Day, Utah holiday, July 24.
PIONEERS	The avant-garde.
PIONEERS	Adventurous ones

PIONEERS	They go first
PIONEERS	Cather subject
PIONEERS	Cooper's "The ..."
PIONEERS	Trekkers
PIONEERS	Goes first
PIONEERS	Covered-wagon folk

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.