Answer:
appreciation
conceit
concept
impression
interpretation
notion
perception
realization
apperception
apprehension
clue
cognition
comprehension
consideration
design
dreaming
explanation
exposition
fancy
image
inkling
intellection
meditation
musing
philosophizing
picture
plan
representation
speculation
thought
version
cogitating
communing
concentrating
considering
deliberating
envisaging
fancying
imagining
meditating
mental grasp
speculating
Explanation:
Some antonyms