'Occasion' in the Bible

And it shall be, that in the morning, as soon as the sun is up, thou shalt rise early, and set upon the city: and, behold, when he and the people that is with him come out against thee, then mayest thou do to them as thou shalt find occasion.

But his father and his mother knew not that it was of the LORD, that he sought an occasion against the Philistines: for at that time the Philistines had dominion over Israel.