premeditated
Concise Oxford English Dictionary © 2008 Oxford University Press:
premeditate/priːˈmɛdɪteɪt/
▶verb (usu. as adj. premeditated) think out or plan (an action, especially a crime) beforehand.
– derivatives
premeditation noun.
premeditation noun.
– origin C16 (earlier (ME) as premeditation): from L. praemeditat-, praemeditari, from prae ‘before’ + meditari ‘meditate’.
'premeditated' also found in these Oxford entries:

