extensionally

13 LETTERS · 5 SYLLABLES · STARTS WITH E

extensionally is a valid 13-letter word worth 23 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1X8T1E1N1S1I1O1N1A1L1L1Y4

1 + 8 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does extensionally mean?