Presager is an uncommon word that refers to someone or something that predicts or foretells the future. There are many synonyms for this word, such as forecaster or prognosticator, which similarly denote someone who makes predictions. There are also related words that can offer a slightly different connotation, such as diviner, seer, or oracle, all of which suggest a more mystical or spiritual aspect to predicting the future. Other synonyms could include predictor, prophet, visionary, soothsayer, or augur. Despite the fact that presager is not a particularly well-known word, there are plenty of choices for alternate options that convey the same meaning.