Why “dispassion” is a great word
A clear, undisturbed state of objective judgment, achieved by the deliberate absence of strong emotion or bias. Formed within English from the prefix *dis-* (expressing negation or absence) and the noun *passion*, first recorded in use before 1631 by John Donne. Unlike 'apathy,' which implies a dull lack of interest or concern, or 'equanimity,' which suggests calm composure under pressure, dispassion is an active, intellectual clearing of the decks. It is the surgeon's steady hand moving through familiar tissue, the historian's cool assessment of a beloved empire's fall, the silence in the mind's chamber after the gale of feeling has passed—a hard-won and often lonely vantage from which the world is seen as it is, not as one wishes it to be.
Definitions & examples from Wiktionary (CC BY-SA 3.0).