sentence substitute

19 LETTERS · STARTS WITH S

sentence substitute is a valid 19-letter word worth 22 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1N1T1E1N1C3E1S1U1B3S1T1I1T1U1T1E1

1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does sentence substitute mean?