What a comfort to be told that what we believe is true! Even if our belief feels unpleasant, to hear it affirmed is somehow to be reassured. In sooth, this affirmation soothes, as any soothsayer might predict.
Sooth and soothe come from the same Old English root. Soth was originally an adjective meaning “genuine” or “true.” The noun form meant “truth”; the verb form, “to verify or show to be true.”
Soothe emerged in the 1560s for humoring or flattering others by asserting what they said was true. It denoted the comfort of uncritical agreement, not the pain of truth confronting falsehood. Soothe meaning “to calm gently” appeared in the 1690s, finally detached from any relationship to truth.
To learn the error of a former belief is disorienting at best. It may be exciting, it may be distressing, but it rarely soothes. Small wonder we go to such lengths to avoid it. Small wonder our efforts to persuade others (or theirs to persuade us) by facts and logic are often met with deaf ears.
I'm a historian who writes novels and literary nonfiction. My home base is Madison, Wisconsin.