SAT word list

Previously signals a sequence of events or ideas by indicating that a prior time, condition, or statement is being referenced in relation to a current one. It establishes a logical progression from past to present, often used to show that a fact, argument, or observation established earlier in a text is now being built upon or contrasted. It functions best when the earlier information is essential to understanding the current point, and when the sequence is not merely chronological but logically dependent.

Definition Sentence

Previously, the study demonstrated a significant correlation between sleep duration and cognitive performance; consequently, researchers are now investigating the underlying mechanisms.

Also earlier · beforehand · formerly · in the past