Answer:

potentate

Answer	Crossword Clue
POTENTATE	Sovereign
POTENTATE	Sovereign.
POTENTATE	Ruler.

POTENTATE	Mogul.
POTENTATE	Ruler
POTENTATE	Monarch or dictator
POTENTATE	High-muck-a-muck
POTENTATE	Dynast
POTENTATE	Very big cheese

Crossword

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