substitution (n.)

• agent
• alienation
• alternate
• alternative
• amends
• analogy
• atonement
• autism
• backup
• balancing
• change
• changeling
• commutation
• comparison
• compensation
• copy
• counteraction
• counterfeit
• deputy
• displacement
• dissociation
• double
• dummy
• equal
• equivalent
• ersatz
• escape
• escapism
• exchange
• expiation
• fake
• fantasy
• fill-in
• flight
• ghost
• ghostwriter
• imitation
• indemnification
• indemnity
• interchange
• isolation
• makeshift
• metaphor
• metonymy
• negativism
• overcompensation
• personnel
• phony
• projection
• proxy
• rationalization
• recompense
• rectification
• redress
• relief
• reparation
• repayment
• replacement
• replacing
• representative
• reserves
• resistance
• restitution
• retaliation
• revenge
• ringer
• satisfaction
• secondary
• sign
• stand-in
• sub
• sublimation
• substitute
• succedaneum
• supplanter
• supplanting
• surrogate
• swap
• switch
• switching
• symbol
• synecdoche
• token
• understudy
• vicar
• vice-regent
• withdrawal