This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Capable of being reverted.

adj. Capable of, or admitting of, reverting or being reverted.

Capable of reverting; subject to reversion.

adj. to be returned to the former owner or that owner's heirs

"The alert warned about a kind of complex security sold under a variety of proprietary names, including "reverse convertible securities" and "revertible notes.""

returnable