Main Entry:

pre·sump·tive

Pronunciation:

\-ˈzəm(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