cause to change; make different; cause a transformation

the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"

a person or thing that takes or can take the place of another

an event in which one thing is substituted for another

move and exchange for another

simplify the form of a mathematical equation of expression by substituting one term for another

replace a corner by a plane

provide (a workshop or factory) with new tools

substitute one creditor for another, as in the case where an insurance company sues the person who caused an accident for the insured