suppression

https://doi.org/10.1351/goldbook.13701
Dominant immunological tolerance, a phenomenon that plays an active role in regulating T-cell and B-cell responses to both foreign antigens and autoantigens.
Note: The downregulation of responses to autoantigens is a major regulatory mechanism involved in the induction and maintenance of self-tolerance.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1248 [Terms] [Paper]