Collocations for observation - noun

careful, close, detailed
direct, first-hand
systematic
casual
empirical, scientific
visual
clinical
astronomical
field
simple
There's a lot to be learned from simple observation.

for observation
She was admitted to the hospital for observation.

under observation
The police have had him under observation for several weeks.

observation of
The survey was based on direct observation of over 500 schools.

powers of observation
an artist with acute powers of observation

general
accurate, astute, insightful, keen, perceptive, shrewd
interesting
important
wry
sb's own, personal
common
early, initial, preliminary

make, offer

observation about
He smiled, and made some observation about the weather.

observation from
observations from one reader in Hawaii

observation on
her witty observations on life