invent

verb

1.
come up with (an idea, plan, explanation, theory, or principle) after a mental effort
befind come up with contrive devise excogitate forge formulate
Agent:
inventor
Event:
invention
Derived from:
invention inventive inventor
2.
concoct something artificial or untrue
cook up fabricate make up manufacture vamp vamp up
Event:
invention
Derived from:
invention