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"consequently" is also used as a crossword clue. If that's what you saw, the answer is often so (2 letters).
Definitions
(sentence connectors) because of the reason given
Word origin
From Middle English consequentely, consequentliche, consequently; equivalent to consequent + -ly.
Used in a sentence
“He didn't wake up early. Consequently, he was late to work.”
“While algebraical reasoning is most frequently analytical, arithmetical reasoning is generally synthetical, and, consequently, more difficult to understand.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“For that reason”12 letters
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