- affording ground for belief or presumption: presumptive evidence.
- based on likelihood or presumption: a presumptive title; the presumptive nominee.
- regarded as such by presumption; based on inference; assumed: a presumptive case of pneumonia.
- pertaining to the part of an embryo that, in the course of normal development, will predictably become a particular structure or region.
- based on presumption or probability
- affording reasonable ground for belief
- of or relating to embryonic tissues that become differentiated into a particular tissue or organ
