'Appear' in the Bible

"If a famine comes to the land, or if plant diseases, mildew, locust, or grasshoppers appear, or if their enemies attack them in their settlements of the land, no matter what the epidemic or illness is,

So Solomon observed the Festival of Tents at that time, as did all of Israel with him. A large assembly came up from as far away as Lebo-hamath and the Wadi of Egypt to appear in the presence of the LORD our God, not just for seven days, but for seven days after that, a total of fourteen days.

Doing this was sinful, because the people traveled as far as Dan to appear before one of their idols.

But Elijah promised him, "As the LORD of the Heavenly Armies lives, in whose presence I stand, I will appear to Ahab today."