Divine accommodation in John Calvin’s thought has yet to receive the attention it deserves. To date it has not been the subject of a monograph-length treatment in any language (this study is the first) and the number of journal articles and book chapters devoted solely to it is small. The present work will, it is hoped, help to fill this lacuna in research on the topic, but additional research is undoubtedly still needed. Its title probably deserves a comment. The use of the word compromised is intended to raise the question of the extent of accommodation’s penetration into Calvin’s doctrine of God. It aims to suggest the idea that Calvin’s thinking on accommodation might possess qualities which push against traditional thinking on the divine attributes. The idea was first suggested by E. David Willis. The present study will aim to expand upon it. This monograph owes much to the efforts of Emeritus Professor of Patristic and Reformed Christianity, David F. Wright, who, as supervisor, colleague and friend, has offered assistance to me on innumerable occasions and has also demonstrated a level of scholarly excellence in his own work that has been enormously instructive and encouraging. Thanks are also due to a host of others. Thanks must be expressed to Professor Tony Lane, who offered very helpful criticisms of two earlier versions of this work and whose kindness has not gone unnoticed or unappreciated.