STEP Hebrew Lexicon: קָהַל

1) to assemble, gather

1a) (Niphal) to assemble

1a1) for religious reasons

1a2) for political reasons

1b) (Hiphil) to summon an assembly

1b1) for war, judgment

1b2) for religious purposes

Also means: qa.lah (קָלַהּ "to gather" H7035)