D defs.my
Entry 1 sense Webster, 1913

Ostensibly

/(ŏs*tĕn"sĭ*bly̆)/ · Os·ten·si·bly · IPA /ɑˈstɛn.sə.bli/
01 adv. In an ostensible manner; avowedly; professedly; apparently.
  1. 1.
    In an ostensible manner; avowedly; professedly; apparently.
    Ostensibly, we were intended to prevent filibustering into Texas, but really as a menace to Mexico.” — U. S. Grant.