long-established

The trail north of the Platte has been long established.

The network has long established plans for such incidents and says these worked well.

The Modern's status as the preeminent museum of modern art has been long established.

They were probably established long before the time of Christianity.

The present convention is long established and provides a basis on which we can stand.

The award is usually given late in a performer's career after they have long established themselves.

It has been long established that you're a funny man.

Both had been long established and stemmed from Arabic practices.

They were a well-to-do family, long established in the field of medicine.

She continues to do this out of habit long established.