premeditate (v.)

"think about and contrive beforehand," 1540s, from pre- + meditate, or a back formation from premeditation, or else from Latin praemeditatus, past participle of praemeditari "to consider beforehand," from prae "before" (see pre-) + meditari "to consider," from a frequentative form of PIE root *med- "take appropriate measures." Related: Premeditated; premeditating.