theorize

When faced with a particularly puzzling case and not much evidence to go on, Sherlock Holmes once said, “It is a capital mistake to theorize before one has data.”

The pharmaceutical industry was obsessed with rare diseases, which they theorized left room for new drugs treating the most-common ones.

But the existence of a few podcasters—whose popularity, let’s charitably stipulate, owes itself to things other than their theorizing about Jews—is hardly a takeover.

A cohort of German Protestant thinkers such as Friedrich Schleiermacher theorized religion similarly—change was now progress, and liberal society clearly the heir to medieval religion.

Scientists have long theorized that Jupiter's four large moons -- Io, Europa, Ganymede, and Callisto -- originated from a similar disk surrounding the young planet billions of years ago.