Her influential research on coral reefs prompted international conservation policies to protect marine ecosystems.
她对珊瑚礁的有影响力的研究促使国际保护政策出台，以保护海洋生态系统。
Which choice best defines “influential”?
C — Having great influence on someone or something. “influential” means having great influence on someone or something.
Which word means “having great influence on someone or something”?
D — influential. “influential” means having great influence on someone or something.
influential — having great influence on someone or something. In Chinese: 有影响力的.
influential is pronounced /ˌɪnfluˈɛnʃl/.
Her influential research on coral reefs prompted international conservation policies to protect marine ecosystems. (她对珊瑚礁的有影响力的研究促使国际保护政策出台，以保护海洋生态系统。)
powerful, significant, impactful — all close in meaning to influential (having great influence on someone or something).
insignificant, powerless — each the opposite of influential (having great influence on someone or something).
Yes. influential is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.