The Collaborative International Dictionary
Seniorize
Seniorize \Sen"ior*ize\, v. i.
To exercise authority; to rule; to lord it. [R.]
--Fairfax.
Wiktionary
seniorize
vb. 1 (context rare transitive English) To make or become senior. 2 (context obsolete intransitive English) To exercise authority; to rule; to lord it.