Which preposition to use with enlivenment

of Occurrences 1%

The winter of 1770 was one of unusual severity; and she found resources for a further enlivenment of the court in the frost itself.

to Occurrences 1%

"Ah, poor Constance, I was not aware she was ill!" said he, and he went forth to inquire of her condition and find if aught could be done for her enlivenment to health and spirits.

Which preposition to use with  enlivenment