Answer:

vespucci

Answer	Crossword Clue
VESPUCCI	Explorer with an eponymous first name
VESPUCCI	Explorer from whose name America is derived
VESPUCCI	Early explorer of South America

VESPUCCI	Explorer for whom America is named
VESPUCCI	Columbus contemporary
VESPUCCI	Amazon explorer, 1499.
VESPUCCI	Explorer Amerigo
VESPUCCI	Discoverer of the Amazon's mouth