SURROGATE

[noun], [adjective] [before noun; not gradable] - (someone or something) replacing someone else or used instead of something elseShe seems to regard him as a surrogate for her dead father. [C]For some people, reading travel books is a surrogate for actual travel. [C]He regards football as a kind of surrogate warfare.Because she had no children of her own, her friend's sons became surrogate children to her.Surrogate is also used to refer to a woman having a baby for another woman who is unable to become pregnant or have a baby herself.She has agreed to act as a surrogate mother for her sister.There are strict regulations surrounding surrogate motherhood.The number of surrogate births is increasing.