Two synonyms of lunacy with a positive connotations?

While "lunacy" generally carries a negative connotation, suggesting madness or irrationality, it's tricky to find direct synonyms with a positive spin. However, you could consider these options, depending on the context:

* Exuberance: This word suggests a high level of enthusiasm and excitement, often bordering on the unrestrained.

* Eccentricity: This implies a unique and unconventional way of thinking or behaving, often seen as charming or delightful.

These are not perfect synonyms, but they capture a similar sense of being outside the norm, while conveying a more positive feeling.