coronatorial
/ˌkɒrənˈɒtərɪəl/ or /ˌkɔːrɒnˈɒtərɪəl/Definitions
1. adjective
relating to or characteristic of a coronation or the office of a crowned monarch
“The coronatorial regalia were displayed in the museum for the first time.”
2. noun
the office or dignity of a crowned monarch
“The coronational ceremony marked the beginning of his coronatorial term.”