In Roman Catholic theology

Theology

Theology is the systematic and rational study of religion and its influences and of the nature of religious truths, or the learned profession acquired by completing specialized training in religious studies, usually at a university or school of divinity or seminary.-Definition:Augustine of Hippo...

, Sententia communis refers to popular beliefs which are widely held, and generally accepted by theologians, but not dogmatically asserted. These are below the Theologica certa level (which are theologically inferred) but above the Sententia probabilis

Sententia probabilis

In Roman Catholic theology, Sententia probabilis refers to beliefs which are considered probable but not theologically proven. They are viewed as well-founded and in agreement with the principles of faith, but not theologically certain. These are above the Opinio tolerata level and below Sententia...

 level (i.e. probable) in the hierarchy of dogmatic beliefs for Roman Catholics.