'Assembly' in the Bible

Stop bringing useless offerings! Incense is detestable to me, as are your New Moons, Sabbaths, and calling of convocations. I cannot stand iniquity within a solemn assembly.

You said in your heart, "I'll ascend to heaven, above the stars of God. I'll erect my throne; I'll sit on the Mount of Assembly in the far reaches of the north;