Synonyms of 'up-and-coming'
promisingDictionary, ambitious, go-getting (informal)
Someone or something that is promising seems likely to be very good or successful.
Phoenix, at that time, was an up-and-coming actor.
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Someone who is ambitious has a strong desire to be successful, rich, or powerful.
He's a very ambitious lad.
Thesaurus for up-and-coming from the Collins English Thesaurus
Up-and-coming people are likely to be successful in the future.