1. [ verb ] come up with (an idea, plan, explanation, theory, or principle) after a mental effort
Synonyms: devise formulate forge contrive excogitate

"excogitate a way to measure the speed of light"

Related terms: create_by_mental_act invention planner invention formula inventor excogitator excogitation devisal
2. [ verb ] make up something artificial or untrue
Synonyms: manufacture make_up cook_up fabricate
Related terms: think_up trump_up spin vamp mythologize confabulate invention storyteller
Similar spelling:   inventor