Synonyms of 'surrogate'
Leningrad was the third alien city to offer him a surrogate home.
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France's minister for culture and his deputy attended the meeting.
If you do something by proxy, you arrange for someone else to do it for you.
She sent him as her proxy to board meetings.
Thesaurus for surrogate from the Collins English Thesaurus
You use surrogate to describe a person or thing that is given a particular role because the person or thing that should have the role is not available .