Definition of Actonian in English:

Actonian

Pronunciation /akˈtəʊnɪən/

adjective

  • Relating to or characteristic of Acton or his work, especially his historical writings.

    Sometimes with reference to Ld. Acton's dictum that ‘power tends to corrupt, and absolute power corrupts absolutely’.

Origin

Late 19th century; earliest use found in The Times. From the name of John Emerich Edward Dalberg Acton, first Baron Acton, English liberal historian and moralist + -ian.