presumptive
adj
1 based on presumption or probability
2 affording reasonable ground for belief
3 of or relating to embryonic tissues that become differentiated into a particular tissue or organ presumptive epidermis ♦
presumptively adv ♦
presumptiveness n
heir presumptive
n (Property law) a person who expects to succeed to an estate but whose right may be defeated by the birth of one nearer in blood to the ancestor
Compare →
heir apparent