20 Jehu said, “Call an assembly in honor of Baal.” So they proclaimed it.

Read 2 Kings 10:20 Using Other Translations

And Jehu said, Proclaim a solemn assembly for Baal. And they proclaimed it.
And Jehu ordered, "Sanctify a solemn assembly for Baal." So they proclaimed it.
Then Jehu ordered, “Prepare a solemn assembly to worship Baal!” So they did.