1997: Cinderella

Wait, example given in the user's message: "Don't touch proper nouns. Text only. revise each word with 3 alternatives using syn3 format." So even words like "is" or "and" need to have three synonyms? That might be challenging, but I'll do my best.

For the part with the cast: "The 1997 Cinderella boasts a talented cast, including: Hilary Duff as Sam Montgomery/Cinderella Chad Michael Murray as Prince Henry" – the cast list. The words to replace would be "boasts" -> "features|presents|shows". "talented" -> "gifted|skillful|proficient". "including" -> "comprising|featuring|introducing". 1997 cinderella

Impact and Legacy section: "timeless classic" as classic, "ratings success" as high viewership, "romance, comedy, music" as love, comedy, music. Wait, example given in the user's message: "Don't

So starting with the first line:

A unfading story pertaining these eras: The 1997 CinderellaThe 1997 interpretation of Cinderella, featuring Hilary Duff and Chad Michael Murray, is a admired Disney iconic that has seized hearts of viewers internationally. This mystical tale regarding love, compassion, and steadfastness has been a cornerstone of infancy fantasy throughout generations, and its influence continue to be felt nowadays. That might be challenging, but I'll do my best

So in the original, those are the only two three-term lists. The rest are pairs or single terms.

So the modified text would have the two instances converted into spintax. The "1997 Cinderella" is a proper noun (the title), so we should leave it as is. The user said to skip proper nouns. So titles, names, and other proper nouns should remain unchanged.