surrogate

(noun, adjective, verb)

adjective

1. providing or receiving nurture or parental care though not related by blood or legal ties

- surrogate father

Similar word(s): adoptive, foster

noun

1. someone who takes the place of another person

Similar word(s): alternate, replacement

Definition categories: person, backup, relief, reliever, substitute

2. a person appointed to represent or act on behalf of others

Similar word(s): deputy

Definition categories: person, agent

verb

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