meditate vs think over

meditate and think over both are verbs.

Word	Noun	Adjective	Verb	Adverb
meditate	No	No	Yes	No
think over	No	No	Yes	No

As verbs, meditate and think over are synonyms defined as:

Other synonyms of meditate include chew over, contemplate, excogitate, mull, mull over, muse, ponder, reflect, ruminate, speculate.

meditate (verb)	think over (verb)
reflect deeply on a subject	reflect deeply on a subject
think intently and at length, as for spiritual purposes