sprightliness

NOUN
13 LETTERS · 3 SYLLABLES · STARTS WITH S

sprightliness is a valid 13-letter word worth 19 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1P3R1I1G2H4T1L1I1N1E1S1S1
1 + 3 + 1 + 1 + 2 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does sprightliness mean?