What does the cryptic crossword clue "Cultivated in trade, like one fully up to speed? (7)" mean?

The definition is "Cultivated". The wordplay uses an anagram. anagram of IN + TRADE, = TRAINED; definition: "Cultivated" The answer is TRAINED.

Cultivated in trade, like one fully up to speed? (7)

Daily Mail Cryptic #17106 | 27 Across | 2023-05-26 flower