Past tense of conceptualize; formed an idea or concept about something; understood something abstractly.
Conceptual plus -ize (suffix meaning 'to make or treat as') plus -ed (past tense marker). The verb form emerged to describe the action of concept-formation.
When Copernicus 'conceptualized' a heliocentric universe, he literally rewired how billions of people would eventually understand their place in space!
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