John Gills Exposition of the Bible Commentary - Joshua 9:2
That they gathered themselves together to fight with Joshua , and with Israel ,.... Not at this time, but they met together to consult what was proper to be done in order to secure themselves, and their people, and put a stop to the successes of the arms of Israel; and for this purpose entered into alliances with each other to assist one another, or at a convenient time and place to join their forces together, and attack Israel, as afterwards they did, Joshua 11:1 ; and this they did ... read more
Matthew Henry's Complete Commentary - Joshua 9:1-2
Hitherto the Canaanites had acted defensively; the Israelites were the aggressors upon Jericho and Ai. But here the kings of Canaan are in consultation to attack Israel, and concert matters for a vigorous effort of their united forces to check the progress of their victorious arms. Now, 1. It was strange they did not do this sooner. They had notice long since of their approach; Israel's design upon Canaan was no secret; one would have expected that a prudent concern for their common safety... read more