pre·med·i·tate 
(prē-mĕdĭ-tāt′)
(prē-mĕdĭ-tāt′)v. pre·med·i·tat·ed, pre·med·i·tat·ing, pre·med·i·tates
v.tr.
To form an intent to carry out (an action, such as a crime); intend to carry out: premeditate a killing.
v.intr.
To premeditate an action, especially a crime.
pre·med′i·tation (-tāshən) adj.
pre·medi·ta′tive adj.
pre·medi·ta′tor n.