substituted

1. put in the place of another; switch seemingly equivalent itemsExamples: "the con artist replaced the original with a fake Rembrandt"; "substitute regular milk with fat-free milk"; "synonyms can be interchanged without a changing the context's meaning"Synonyms: exchange, interchange, replace, substitute

2. be a substituteExamples: "The young teacher had to substitute for the sick colleague"; "The skim milk substitutes for cream--we are on a strict diet"Synonyms: fill in, stand in, sub, substitute

3. act as a substituteExamples: "She stood in for the soprano who suffered from a cold"Synonyms: deputise, deputize, step in, substitute