generalize

To speak in generalities, or in vague terms.

To infer or induce from specific cases to more general cases or principles.

Copernicus generalized the celestial motions by merely referring them to the moon's motion. Newton generalized them still more by referring this last to the motion of a stone through the air.

To spread throughout the body and become systemic.

To derive or deduce (a general concept or principle) from particular facts.

A mere conclusion generalized from a great multitude of facts.