conceptualise

VERB /kən'sɛpʧuə,laɪz/
13 LETTERS · 5 SYLLABLES · STARTS WITH C

conceptualise is a valid 13-letter word worth 19 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1N1C3E1P3T1U1A1L1I1S1E1
3 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does conceptualise mean?