Deflectional is a term used to describe words that change their forms to indicate tense, person, number, or gender. However, there are many synonyms for this word, including inflectional, morphological, grammatical, and word-formative. Each of these words describes the same concept of how languages change words to create new meanings. Additionally, some related terms to deflectional may include conjugation, declension, and suffixation. Understanding these different synonyms and related terms can help language learners, linguists, and writers better understand how words are formed and communicate with more precision and clarity.