Equal substitutions refer to the replacing of one thing with another of equal value or quality. Synonyms for equal substitutions can vary depending on the context of the situation. Some synonyms include equitable exchange, even trade, fair swap, identical replacement, and commensurate substitution. These terms all imply a fair and balanced exchange, emphasizing the importance of maintaining an equal value and quality between the two items being substituted. It is important to note that these synonyms are not always interchangeable and can vary in usage depending on the specific scenario in which they are being used. Nonetheless, these terms serve as excellent alternatives for equal substitutions in many different situations.