stipulation vs stipulate

stipulation is a noun but stipulate is not a noun.

Word	Noun	Adjective	Verb	Adverb
stipulation	Yes	No	No	No
stipulate	No	No	Yes	No

stipulation (noun)	stipulate (noun)
a restriction that is insisted upon as a condition for an agreement
an assumption on which rests the validity or effect of something else
(law) an agreement or concession made by parties in a judicial proceeding (or by their attorneys) relating to the business before the court; must be in writing unless they are part of the court record

stipulation (verb)	stipulate (verb)
	specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement
	give a guarantee or promise of
	make an oral contract or agreement in the verbal form of question and answer that is necessary to give it legal force