The word "multischematic" is not very commonly used in everyday language. However, one can use many other words with similar meanings. For example, the word "versatile" can be used to imply that an individual is multi-talented or has many-sided abilities. "Adaptable" is another word that can be used to mean someone who is capable of adjusting to different circumstances and situations. "Diversified" can be used to describe an individual who has broad experiences and skills. Lastly, "polymath" is a term used to refer to someone who has expertise in multiple fields. All of these words can be used to describe someone who is "multischematic" in their abilities.