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rack brains
rack brains
synonyms
ponder
deliberate
talk over
stew over
conceptualize
debate
speculate
put heads together
consider
roll
bat it around
analyze
run up a flagpole
share ideas
study
conjure up
reflect
knock around
think
dream up
cerebrate
kick around
chew over
weigh
ruminate
argue
brainstorm
consult
muse
plan
mull over
meditate
turn over
invent
reason
hammer away at
create
excogitate
put on thinking cap
contemplate
cogitate
pour it on
conceive
judge
sweat over
revolve
rack brains
antonyms