substitute for

Moby thesaurus: act for, answer for, appear for, back up, change places with, commission, crowd out, cut out, deputize, displace, double for, fill in for, front for, ghost, ghostwrite, pinch-hit, pinch-hit for, relieve, replace, represent, speak for, spell, spell off, stand in for, subrogate, succeed, supersede, supplant, swap places with, understudy, understudy for ... show more.

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