3 Words to use with libitum

He amused his listeners at Highgate with a continuation of the plot; and in 1833 he declared that if he "were perfectly free from vexation and were in the ad libitum hearing of fine music" he could yet finish "Christabel," "for I have, as I always had, the whole plan entire from beginning to end in my mind; but I fear I could not carry on with equal success the execution of the idea."

This ad libitum perusal had its interest for me.

There is an ad libitum supply for douches and baths in every camp.

3 Words to use with  libitum