Answer:

jell

AnswerCrossword Clue
JELLSolidify
JELLTake shape
JELLCrystallize
JELLThicken
JELLCongeal
JELLFall into place
JELLCome together
JELLBecome cohesive
JELLSet
JELLBecome firm
JELL.... -O
JELLBecome clear
JELLTake form
JELLBecome glutinous: Colloq.
JELLCrystallize: Colloq.
JELLWhat plans sometimes don't do.
JELLCrystalize: Colloq.
JELLTake definite form: Colloq.
JELLSolidify: Colloq.
JELLCrystallize.
JELLTake shape.
JELLBecome definite
JELLGet set
JELLSet, as mousse
JELLTake definite form
JELL...-O
JELLWork well together