i Register
In some senses, gallivant is marked as obsolete. Watch for register when choosing this word.
verb
To roam about for pleasure without any definite plan.
Bertram, it is true, when he heard of the plan, rebelled, and asserted that what Billy needed was a rest, an entire rest from care and labor. In fact, what he wanted her to do, he said, was to gallivant – to gallivant all day long.
Rather than sit and gawk at my nonadoring mother and sister, I gallivanted outdoors until it was time to hit the sack.
To flirt, to romance.