1) ADJ-GRADED: usu v-link ADJ, oft ADJ about n, it v-link ADJ to-inf If you are realistic about a situation, you recognize and accept its true nature and try to deal with it in a practical way.

Police have to be realistic about violent crime...

It's only realistic to acknowledge that something, some time, will go wrong.

...a realistic view of what we can afford.

Derived words:
realistically ADV-GRADED usu ADV with v, also ADV adj

As an adult, you can assess the situation realistically.

2) ADJ-GRADED: usu ADJ n Something such as a goal or target that is realistic is one which you can sensibly expect to achieve.

Is EC membership a realistic goal for Eastern European countries?...

A more realistic figure is eleven million...

Establish deadlines that are more realistic.

3) ADJ-GRADED You say that a painting, story, or film is realistic when the people and things in it are like people and things in real life.

...extraordinarily realistic paintings of Indians...

The language is foul and the violence horribly realistic.

Derived words:
realistically ADV-GRADED usu ADV with v

The film starts off realistically and then develops into a ridiculous fantasy.

English dictionary. 2008.