Learn how to say Premeditatedly correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word premeditate:
[with object] (usually as adjective premeditated)
think out or plan (an action, especially a crime) beforehand:
mid 16th century (earlier (late Middle English) as premeditation): from Latin praemeditat- ‘thought out before’, from the verb praemeditari, from prae ‘before’ + meditari ‘meditate’