abstract thought
act of thought
application
boning
cerebration
cogitation
conceit
conception
conceptualization
conning
contemplation
cram
cramming
creative thought
deliberation
drill
engrossment
excogitation
exercise
extensive study
grind
grinding
headwork
heavy thinking
idea
ideation
imageless thought
inspection
intellection
intellectual exercise
intellectualization
lucubration
mental act
mental labor
mental process
mentation
noesis
perusal
practice
ratiocination
reading
reasoning
reflection
restudy
restudying
review
speculation
straight thinking
study
studying
brain-work
colossi
conxict
discreteness
diyculty
doodoo
guidepost
illnessess
irreconcilability
lawmaking
ofamerican
overheat
question
reinterpretation
right-mindedness
seasonality
shagbark
signiwcance
toolthat
topics
unfaith
waddy
weightlifting
wych-elm