How to make an exotic font the default through the whole document

Question

How can I use a font that needs explicit calling, like Auriocus Kalligraphicus, as the default font through the whole document?

Answer 1

You could redefine \familydefault, \rmdefault, \sfdefault and more.

Regarding Auriocus Kalligraphicus, for example:

\documentclass{book}
\usepackage[T1]{fontenc}
\usepackage{aurical}
\renewcommand*{\rmdefault}{AuriocusKalligraphicus}
\begin{document}
\chapter{Text}
This is an example.
\end{document}

As you can see, roman text in various sizes has the desired font: