Inflection Point
The moment a trend changes direction — from calculus, via Andy Grove. Every strategy deck locates one; most curves, examined later, were just lines with hopeful annotation.
Heard in the wild
“The keynote says we're at an inflection point. The keynote said that last year.”
Tone check: Cliché
Real inflection points are visible in retrospect, claimed in advance. The word is a bet dressed as an observation.