'Occasion' in the Bible

and it shall be, that in the morning, as soon as the sun is up, you shall rise early, and rush on the city; and behold, when he and the people who are with him come out against you, then may you do to them as you shall find occasion."

But his father and his mother didn't know that it was of Yahweh; for he sought an occasion against the Philistines. Now at that time the Philistines had rule over Israel.