Premeditate :: Premeditate (v. t.) To think on, and revolve in the mind, beforehand; to contrive and design previously; as, to premeditate robbery..
Premeditate :: Premeditate (v. i.) To think, consider, deliberate, or revolve in the mind, beforehand..
Premeditation :: Premeditation (n.) The act of meditating or contriving beforehand; previous deliberation; forethought.