Sentence:  For instance, when I flung the cat out of an upper window (though I did it from no ill-feeling, and it didn't hurt the cat), I was ready, after a moment's reflection, to <WSD>own</WSD> I was wrong, as a gentleman should. 
Meaning of the word marked with <WSD> tags:  To admit, concede, grant, allow, acknowledge, confess; not to deny.