Most instructible refers to the ability to be easily taught or educated, and there are several synonyms that can be used to describe this trait. Some of the most commonly used synonyms include teachable, trainable, educable, and receptive. Each of these words conveys the idea that the person or thing in question is able and willing to learn, and is open to new information and ideas. Other possible synonyms for most instructible might include trainable, coachable, quick study, and flexible. No matter which synonym you choose to use, the overall idea remains the same: that someone or something is able and willing to learn and grow.