ostensibly

Etymology

From ostensible + -ly.

adv

1. (modal) Seemingly, apparently, on the surface.
   On 13 June the peshwa signed a new treaty, ostensibly complying with the demands of the British government[…] 1889, Leslie Stephen, Sidney Lee, Dictionary of National Biography
   People strive to achieve perfection — ostensibly an honorable goal — but complete perfection is dangerous. To be imperfect, but human, is far preferable. 2007, Brian Herbert, Kevin J Anderson, Sandworms of Dune
   Mr. Marwan’s story — a tale overflowing with the suspense and ruthless duplicity of a spy novel — began to take shape in the spring of 1969. He had come to London, ostensibly to consult a Harley Street doctor about a stomach ailment. He chose to be examined by a doctor whose offices had been used previously for a covert meeting between King Hussein of Jordan and the general director of the Israeli prime minister’s office." 2007-04-10, “Who Killed Ashraf Marwan?”, in The New York Times, retrieved 2015-09-18
   Quite possibly the worst aspect of this is the role of the train operating companies and their representative body, the ineptly named Rail Delivery Group (RDG). Ostensibly, the plan has come from them. In reality, this has been driven entirely by Government, which asked each train operator to draw up plans for its area. July 26 2023, Christian Wolmar, “Closing ticket offices to lead to 'catch-22' for passengers”, in RAIL, number 988, page 42