The antonyms for the word "unspeakable" include words like "acceptable," "comprehensible," "utterable," and "speakable." These words are the opposite of unspeakable because they all suggest that something is understandable, able to be talked about or expressed. For example, if someone experiences an acceptable level of pain, they are able to communicate their discomfort without feeling overwhelmed. If someone can comprehend something, then they can understand its meaning without difficulty. Likewise, if something is speakable or utterable, then it can be expressed through words or verbal communication. Overall, the antonyms of "unspeakable" all suggest a greater sense of clarity and understanding.