As a matter of course and Peremptory

Peremptory and as a matter of course are semantically related. in based on absolute truth topic. In some cases you can use "Peremptory" instead an adjective phrase "As a matter of course".

Peremptory adjective - Fond of ordering people around.

As a matter of course and peremptory are semantically related. Sometimes you can use "As a matter of course" instead an adjective "Peremptory".