exercitation
The exercise or exertion of some power, responsibility, faculty etc.
countable, obsolete, rare, uncountable
To Crates and Dicæarchus it seemed that there was none at all;[…] To Plato, that it was a substance moving of it selfe: To Thales, a Nature without rest; To Asclepiades, an exercitation of the senses[…].
Where it comes from
From Latin exercitatio, from exercitare, intensive, from exercere (“to exercise”).
Adapted from the Wiktionary entry exercitation (CC BY-SA 4.0).