Hamiltonismn.

/ˈhamɪltənɪz(ə)m/Etymology: formed as Hamiltonian adj. + -ism suffix.
1867 J. S. Mill (ed. 3) iii. 37 This is Kantism, but it is not Hamiltonism.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2018).