revolve upon

12 LETTERS · STARTS WITH R

revolve upon is a valid 12-letter word worth 19 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1V4O1L1V4E1U1P3O1N1

1 + 1 + 4 + 1 + 1 + 4 + 1 + 0 + 1 + 3 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does revolve upon mean?