Ostensible means given as the reason, though not the real one. The ostensible purpose, an ostensible reason, ostensible authority.
It flags a stated reason and withholds belief in it, which is why journalists use it constantly. In law, ostensible authority is a real doctrine, since somebody who appears to have authority can bind a business that let them appear so.
1adjectiveostensibleGiven as the reason, though not the real one.
“The ostensible reason for his visit was business, but he really came to see her.”
ostensible is a quality.
French ostensible comes from Latin ostendere, to show.
Proto-Indo-European
*tend-
Latin
ostensus
French
ostensible
English, today
ostensible
Built from
Borrowed from French ostensible, formed with the suffix -ible, from Latin ostensus, the past participle of ostendō (“show”), itself from obs- (“in front of”) (akin to ob- (“in the way”)) + tendō (“stretch”) (akin to Ancient Greek τείνω). Cf. ostentatious.
Etymology from Wiktionary, CC BY-SA