apparent -apax

"The ostensible reason for the meeting turned out to be a trick to get him to the surprise party."

My father was ostensible to go to the Railway Station to pick up my grandfather.

Ostensible owner is the one who is not the real owner but is permitted by the true owner to act on his behalf.

Ostensible is an adjective to describe something as seeming, apparent, or appearing to be true, but not necessarily so. Example sentence:

People sometimes believe media statements because of their ostensible authority.