Words Matter: Thomas Aquinas on the Philosophy of Language - Prof. Catherine Peters

Prof. Catherine Peters unpacks Thomas Aquinas’s philosophy of language and reveals how the words we use do more than describe reality: they shape what we understand, how we judge, and how we act.

This lecture was given on April 1st, 2026, at University of California, Los Angeles.

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About the Speaker:

Catherine Peters is an associate professor of medieval philosophy at Loyola Marymount University in Los Angeles, California. Her work centers on issues of philosophical anthropology, metaphysics, and natural theology. She is passionate about translating medieval thought into modern terms and applying its insights to perennial questions such as “Who am I?” “What should I do?” and “Is there a God?” A frequent presenter in both the United States and Europe, her scholarship has been published in numerous volumes and journals, including The Thomist, New Blackfriars, National Catholic Bioethics Quarterly, The Journal of Islamic Philosophy, European Journal for the Study of Thomas Aquinas, Lex Naturalis, and Jesuit Higher Education. When not in the classroom, she can often be found in local coffee shops, at the dog park, or in a HIIT class.

Keywords: Analogy, Communication, Concepts, Language, Intellect, Reality, Signification, Thomas Aquinas, Truth, Words