'Merrily' in the Bible
And David and all Israel merrily celebrated before God with all their might, with songs and lyres and harps and tambourines and cymbals and trumpets.
Then said Zeresh his wife and all his friends unto him, Let a gallows be made of fifty cubits high, and to morrow speak thou unto the king that Mordecai may be hanged thereon: then go thou in merrily with the king unto the banquet. And the thing pleased Haman; and he caused the gallows to be made.
And I will say to my soul, Soul, you have many good things laid up, [enough] for many years. Take your ease; eat, drink, and enjoy yourself merrily.