The Oxford Thesaurus An A-Z Dictionary of Synonyms - monumentn.

1) marker, cairn, memorial, tablet, shrine, commemoration; sepulchre, gravestone, tombstone, headstone, tomb, mausoleum, cenotaph: Many monuments have been established in memory of those who died in the war. 2) testimony, testimonial, testament, token, witness, record, evidence, example, exemplar: The book will survive as a lasting monument to her scholarship.