2. (v. t.) To purify or refine chemically.
3. (v. t.) To prepare from crude materials, as food; to invent or prepare by combining different ingredients; as, to concoct a new dish or beverage.
4. (v. t.) To digest in the mind; to devise; to make up; to contrive; to plan; to plot.
5. (v. t.) To mature or perfect; to ripen.