adj.
Pronunciation: - ' z ə m(p)-tiv
Function: adjective
Date: 15th century
1 : based on probability or presumption <the presumptive nominee>
2 : giving grounds for reasonable opinion or belief
3 : being an embryonic precursor with the potential for forming a particular structure or tissue in the normal course of development < presumptive retina>
– pre · sump · tive · ly adverb