Synonyms for index
noun
An indicator
pointer, token, basis for judgment, formula, ratio, rule, average, average rate, average price, sign, symbol, indication, indicant, guide; see also criterion.
An alphabetic arrangement
tabular matter, contents, book index, guide to publications, bibliography, bibliographical work, catalog, card file, book list, appendix, end list, directory, dictionary; see also catalog, file 2, list, record 1, table 2.
See index in Webster's New World Roget's A-Z Thesaurus II
noun
Something visible or evident that gives grounds for believing in the existence or presence of something else:
badge, evidence, indication, indicator, manifestation, mark, note, sign, signification, stamp, symptom, token, witness. See show
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