presume vs presumptive

presume is not an adjective while presumptive is an adjective.

Word	Noun	Adjective	Verb	Adverb
presume	No	No	Yes	No
presumptive	No	Yes	No	No

presume (adjective)	presumptive (adjective)
	affording reasonable grounds for belief or acceptance
	having a reasonable basis for belief or acceptance

presume (verb)	presumptive (verb)
take liberties or act with too much confidence
take to be the case or to be true; accept without verification or proof
constitute reasonable evidence for
take upon oneself; act presumptuously, without permission