What does the word legistate mean?

"Legistate" is not a standard English word. It is likely a misspelling of "legislate".

Legislate means:

* To make or enact laws.

* To make laws on a particular subject.

For example:

* "The government is legislating on environmental protection."

* "The city council legislated a new curfew law."

Note: It's important to be careful with spelling, as the meaning can change drastically!