SUBROGATE
subrogate
(verb) substitute one creditor for another, as in the case where an insurance company sues the person who caused an accident for the insured
Source: WordNet® 3.1
Etymology
Verb
subrogate (third-person singular simple present subrogates, present participle subrogating, simple past and past participle subrogated)
(legal, transitive) To replace one person or thing with another.
Synonyms: substitute, surrogate
Source: Wiktionary
Sub"ro*gate, v. t. Etym: [L. subrogatus, p.p. of subrogare. See
Surrogate.]
Definition: To put in the place of another; to substitute. Barrow.
Source: Webster’s Unabridged Dictionary 1913 Edition