Collocations for realize - verb

fully
dimly
She dimly realized that she was trembling.

suddenly
quickly, soon
immediately, instantly
now
for the first time
I realized for the first time how difficult this would be.

at first
The situation was more complicated than they had at first realized.

gradually, slowly
at last, belatedly, eventually, finally
never
I never realized how much it meant to you.

begin to, come to
make sb
The experience made me realize that people did care.

seem to
You don't seem to realize the seriousness of the situation.

fail to
be important to

with
He realized with horror that he had forgotten his passport.

without realizing (sth)
They are constantly learning, without even realizing it.

Realize is used with these nouns as the subject:
sale

Realize is used with these nouns as the object:
ambition, aspiration, asset, danger, dream, enormity, error, expectation, extent, fault, folly, futility, gravity, impact, implication, importance, inadequacy, investment, limitation, magnitude, mistake, nature, potential, predicament, profit, return, saving, scale, seriousness, stupidity, talent, truth, value, vision, worth