Meanings of luxuriate as in English

She seemed to luxuriate as frankly in the heat and the dryness as the cat between them.

Mister was sprawled in her lap on his back, luxuriating as she traced her long nails over his chest and tummy.

He was too big to lie down in the bathtub, but he sat in it and luxuriated as best he could.

The aging man, with his agility gradually withering, is thus confronted by women in whom it still luxuriates as a function of their relative youth.