assumptive (
http://definr.com/assumptive)
adj 1: excessively forward; "an assumptive person"; "on a subject
like this it would be too assuming for me to decide";
"the duchess would not put up with presumptuous
servants" [syn:
assuming,
presumptuous]
2: accepted as real or true without proof; "an assumed increase
in population"; "the assumed reason for his absence";
"assumptive beliefs"; "his loyalty was taken for granted"
[syn:
assumed,
taken for granted(p)]