spontaneous response

20 LETTERS · STARTS WITH S

spontaneous response is a valid 20-letter word worth 23 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1P3O1N1T1A1N1E1O1U1S1R1E1S1P3O1N1S1E1

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

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does spontaneous response mean?