IPA: /səˈpɔːtəbl/
KK: /səˈpɔrtəbl/
Able to be tolerated or endured; something that can be accepted without too much difficulty.
The conditions in the room were not ideal, but they were supportable for a short period of time.
Supportable → It is formed from "support" (from Latin "supportare", meaning to carry or bear up) and "-able" (meaning capable of). The word "supportable" means capable of being supported or upheld.
Think of something that can be 'carried' or 'upheld' ('support') and is 'capable' of that ('-able'). This helps you remember that supportable means something that can be supported.