Ostensible
OSTEN'SIBLE, adjective [Latin ostendo, to show.]
1. That may be shown; proper or intended to be shown.
2. Plausible; colorable.
3. Appearing; seeming; shown, declared or avowed. We say, the ostensible reason or motive for a measure may be the real one, or very different from the real one. This is the common, and I believe the only sense in which the word is used in America.
One of the ostensible grounds on which the proprietors had obtained their charter -