Debatable a. : Liable to be debated; disputable; subject to controversy or contention; open to question or dispute; as, a debatable question.

Example:
What are some Debatable thesis regarding the topic of family?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, Custom Search, glossary, english, language, ESL, Search, adjective, one country, territory, dispute, wisdom, ably, adverb.

Defination from the web:
debatable from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... by more than one country <debatable border territory> 2 a : open to dispute : questionable <the debatable wisdom of his advice> b : open ...