Instead, you'd likely use a combination of signs to express the concept, depending on the specific context. Here are some options:
1. "Word Smart" as in Vocabulary:
* "Know" (KNOW) + "Word" (WORD): This would emphasize understanding and knowing many words.
* "Good" (GOOD) + "Language" (LANGUAGE): This emphasizes proficiency in language, which could include vocabulary.
2. "Word Smart" as in Verbal Intelligence:
* "Smart" (SMART) + "Language" (LANGUAGE): This indicates intelligence related to language skills.
* "Think" (THINK) + "Word" (WORD): This highlights the ability to think and reason using words.
Ultimately, the best way to sign "word smart" will depend on the context and what you want to emphasize.