vt to purify or refine chemically.
2. concoct ·vt to mature or perfect; to ripen.
3. concoct ·vt to digest; to convert into nourishment by the organs of nutrition.
4. concoct ·vt to prepare from crude materials, as food; to invent or prepare by combining different ingredients; as, to concoct a new dish or beverage.
5. concoct ·vt to digest in the mind; to devise; to make up; to contrive; to plan; to plot.