'Keep' in the Bible

And Haman said to king Ahasuerus, There is a people scattered abroad and dispersed among the peoples in all the provinces of thy kingdom; and their laws are diverse from those of every people, and they keep not the king's laws; and it is not for the king's profit to suffer them.

to establish this among them, that they should keep the fourteenth day of the month Adar, and the fifteenth day of the same, yearly,