substantive basis

17 LETTERS · STARTS WITH S

substantive basis is a valid 17-letter word worth 23 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1B3S1T1A1N1T1I1V4E1B3A1S1I1S1

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

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does substantive basis mean?