IPA: /ˈspiːkəbl/
KK: /ˈspikəbl/
Something that can be talked about or discussed without being considered inappropriate or taboo.
The topic of climate change is now considered speakable in many circles.
Speakable → It is formed from "speak" (from Old English "specan", meaning to utter words) and "-able" (meaning capable of). The word "speakable" means capable of being spoken or able to be expressed in words.
Think of the word 'speak' which means to utter words, and remember that 'speakable' refers to something that can be expressed in words.