a word or phrase made by rearranging the letters of another, e.g. ladies is an anagram of ideals
anagrammatic /-grəʹmatik/ adj
anagrammatical /-grəʹmatikl/ adj
anagrammatically /-grəʹmatikli/ adv
[prob from early French anagramme via Latin from Greek anagrammatismos, from anagrammatizein to transpose letters, from ana- + gramma letter]