A popular term in the LLM space is 'confabulation': https://community.openai.com/t/hallucination-vs-confabulation/172639 https://community.openai.com/t/hallucin

A popular term in the LLM space is 'confabulation': https://community.openai.com/t/hallucination-vs-confabulation/172639 https://community.openai.com/t/hallucination-vs-confabulatio... It fits better than the alternatives I've seen proposed.