think of vs take to be

think of and take to be both are verbs.

Word	Noun	Adjective	Verb	Adverb
think of	No	No	Yes	No
take to be	No	No	Yes	No

As verbs, think of and take to be are synonyms defined as:

Other synonyms of think of include be known as, esteem, know as, look on, look upon, regard as, repute.

think of (verb)	take to be (verb)
keep in mind for attention or consideration	look on as or consider
look on as or consider
intend to refer to
take into consideration, have in view
choose in one's mind
devise or invent