ascertainable

adj

Etymology: Etymology tree English ascertain Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English ascertainable From ascertain + -able.

1. Able to be ascertained.

   “For example, when regulation prevents a developer from building rental property, the value of existing or reasonably ascertainable leases represents an opportunity cost of the prohibition to the developer.”

   “The easily ascertainable fact, they point out, is that what they feel is not anger toward parents speaking Lennon's name, but only contempt for the few so ignorant of cultural history that they think it was John Lennon, instead of Paul McCartney, who sang "Why Don't We Do It in the Road?"”