To talk familiarly together; to chat; to prattle.

That is certainly one definition, inselpeter.

But it is not the meaning ascribed to "confabulation" by psychologists.

"Confabulation" is understood by them to be a psychological disorder.

But, like all psychological disorders*, it springs from very ordinary psychological defensive strategies.

We all have the seeds of every disorder within us, inselpeter. As a playwright, you certainly know that.

Shakespeare understood it best of all.

*The trick, of course, is to get all our 'disorders' in balance.

Aristotle said famously (his "Golden Mean") that the mean between every human vice is a virtue.