mentionable

mention +‎ -able

mentionable (comparative more mentionable, superlative most mentionable)

1. Important or worthy of note.

   The study can be divided into seven mentionable characteristics.

2. Suitable to be openly talked about, or mentioned; not taboo.
   • 2005, Christopher Hitchens, Letters To A Young Contrarian, page 25:

     But even in 1776, this concept was thought to be mentionable only as the consequence of a bitter struggle.

• (worthy of note): eminent, noteworthy; see also Thesaurus:notable
• (not taboo): nontaboo