- Pronunciation: \ä-ˈsten(t)-sə-bəl, ə-\
- Etymology: French, from Latin ostensus, past participle of ostendere to show, from obs-, ob- in the way + tendere to stretch — more at ob-, thin
- Date: circa 1771
And, although I'm not sure how this photo exactly incorporates the word ostensible, it was the first to show itself on Google Images. Perhaps it is that the fun of the activity shown is quite apparent or ostensible?