Premeditate, v. t. [imp. & p. p. Premeditated (-tatd); p. pr. & vb. n. Premeditating.] — Webster enters it under “premeditate”
Etymology: [L. praemeditatus, p. p. of praemeditari; prae before + meditari to meditate. See Meditate.]
To think on, and revolve in the mind, beforehand; to contrive and design previously; as, to premeditate robbery. With words premeditated thus he said. Dryden.
2 other Webster entries under this spelling
Premeditate, v. i.
To think, consider, deliberate, or revolve in the mind, beforehand.
Premeditate, a.
Premeditated; deliberate. [Archaic] Bp. Burnet.
Shades of meaning
Fernald lists premeditated only as an antonym, under extemporaneous.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given