A substitute (usually of a person, position or role). / A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate parent.

Of, concerning, relating to or acting as a substitute.

(transitive) To replace or substitute something with something else; to appoint a successor.

plural of surrogate

simple past tense and past participle of surrogate

By means of a substitute; by proxy.

present participle of surrogate

The act or result of surrogating; replacement, substitution.

of, related to, or suggesting the quality of a surrogate

In a surrogative manner.