a. | 1. | Based on presumption or probability; grounded on probable evidence; probable; | ||||||
2. | Presumptuous; arrogant.
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Adj. | 1. | presumptive - having a reasonable basis for belief or acceptance; "the presumptive heir (or heir apparent)" |
2. | presumptive - affording reasonable grounds for belief or acceptance; "presumptive evidence"; "a strong presumptive case is made out" |