first principle

15 LETTERS · STARTS WITH F

first principle is a valid 15-letter word worth 23 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4I1R1S1T1P3R1I1N1C3I1P3L1E1

4 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 3 + 1 + 3 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does first principle mean?