Synonyms for index

noun

• a mathematical notation indicating the number of times a quantity is multiplied by itself
• the finger next to the thumb
• a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
• an alphabetical listing of names and topics along with page numbers where they are discussed
• a numerical scale used to compare variables with one another or with some reference number

verb

• adjust through indexation
• list in an index
• provide with an index