The term 'substituted for' can be defined as being replaced by another person or thing. The crossword solutions SATIN, ACTEDAS, and STOODIN all relate to this definition. SATIN is a type of fabric that is often used to make clothing, and can be substituted for other fabrics. ACTEDAS is a verb meaning to take the place of someone or something else, and can be used to describe a situation in which one person is substituted for another. STOODIN is also a verb, meaning to take the place of someone or something else, and can be used to describe a situation in which one thing is substituted for another.