Answer: discover

AnswerCrossword Clue
DISCOVERFind
DISCOVER"Scientific American" rival
DISCOVERWord on a card
DISCOVERChecker, for one, in charge of pioneer (8)
DISCOVERRealize.
DISCOVEREmulate Columbus
DISCOVERFind out
DISCOVERSleuth out
DISCOVERAscertain
DISCOVERNotice, in a way
discoverto find out, also DISCOURE, DISCURE
discoverto obtain sight or knowledge of