From meta- + belief.
metabelief (countable and uncountable, plural metabeliefs)
- A belief about some belief(s).
2015 October 31, “Procedural Metacognition and False Belief Understanding in 3- to 5-Year-Old Children”, in PLOS ONE[1], →DOI:In the second case, however, no such metabelief is needed to mediate a metacognitive evaluation.