Simple past tense and past participle of wanton.(verb)
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Use "wantoned" in a sentence
"And as the wolf-dogs mourned at her feet and the aurora wantoned overhead, she felt herself drawn against him closely."
"Strive as I would, ever my fancy eluded my will and wantoned in day-dreaming of the good things I had eaten and of the good things I would eat if ever I were rescued from my lonely situation."
"In the evening a walk was proposed; the path they took led to a rustic arbour, enclosed by bold rocky scenery, whose entrance was almost impeded by the profusion of woodbine which carelessly wantoned around it."