When it comes to describing someone as "well instructed", there are plenty of synonyms available to help capture the essence of this important trait. Some possible options include "knowledgeable", "educated", "trained", "experienced", and "informed". Each of these terms suggests someone who has a strong grasp of the subject matter they are working with and is able to use this knowledge effectively. In addition to these more general terms, there are also more specific words and phrases that might be used to describe someone who is well-instructed, depending on the context and the specific skills that are being highlighted. Ultimately, the key is to choose language that accurately captures the individual's strengths and abilities, and helps to convey their value to others.