Meaning of ASSUMPTIVE in English

-(p)tiv adjective

Etymology: probably from (assumed) New Latin assumptivus, from Latin assumptus, past participle of assumere + -ivus -ive

: assumed , assuming : as

a. : taken as one's own

upstarts with their assumptive arms

b. : taken for granted or inclined to take for granted

assumptive beliefs

the assumptive habits of her mind

c. : making undue claims

an assumptive person

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.