Presumptive

[pre·sump·tive]

Having a good reason to believe that something is true means that it is presumptive you could call a person you assume will be nominated for school president the "presumptive nominee."

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Based on presumption or probability; grounded on probable evidence; probable; as, presumptive proof.

Adjective S.
affording reasonable grounds for belief or acceptance; "presumptive evidence"; "a strong presumptive case is made out"

Adjective S.
having a reasonable basis for belief or acceptance; "the presumptive heir (or heir apparent)"

a.
Based on presumption or probability; grounded on probable evidence; probable; as, presumptive proof.

a.
Presumptuous; arrogant.

Presumptive

Pre*sump"tive , a. [Cf. F. pr'82somptif.] 1. Based on presumption or probability; grounded on probable evidence; probable; as, presumptive proof. 2. Presumptuous; arrogant. [R.] Sir T. Browne. Presumptive evidence (Law), that which is derived from circumstances which necessarily or usually attend a fact, as distinct from direct evidence or positive proof; indirect or circumstantial evidence. "Presumptive evidence of felony should be cautiously admitted." Blackstone. The distinction, however, between direct and presumptive (or circumstantial) evidence is now generally abandoned; all evidence being now more or less direct and more or less presumptive. -- Presumptive heir. See Heir presumptive, under Heir.

Based on presumption or probability; grounded on probable evidence; probable; as, presumptive proof.

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