They compelled a man like St Paul to theorize: thought was driven inward; it was made to search for foundations, to organize itself and knit together part with part.

Since the sightings stopped after the bridge collapse, and one sighting was over the bridge just before the collapse, some paranormal investigators theorize that the mothman was actually some type of psychic projection.

Even though it's science-fiction, the wormhole theory is a popular one that many theorize could also allow travel into other dimensions or parallel worlds.

Their earliest work was an attempt to theorize political identity within a Marxist framework.

There is no information for us to interpret or theorize about.