1. forms a theory or theories about something; speculates or hypothesizes
Usage: third person singular present tense of ‘theorize’

Examples

• The scientist theorizes that climate change affects migration patterns.
• She theorizes about the causes of the economic downturn.
• The detective theorizes that the suspect had inside knowledge.
• He theorizes that ancient civilizations had advanced technology.
• The researcher theorizes a connection between diet and mood.
• The professor theorizes about the origins of language.