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"important" is also used as a crossword clue. If that's what you saw, the answer is often consequential (13 letters).
Definitions
Having great value
Word origin
From Middle English important, from Medieval Latin important-, importāns. By surface analysis, import (“to be important”) + -ant.
Used in a sentence
“We thought it important for there to be a fire escape at the back of every building.”
“In plants, the ability to recognize self from nonself plays an important role in fertilization, because self-fertilization will result in less diverse offspring than fertilization with pollen from another individual.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer19 curated clues
01“significant”9 letters
02“Carrying real weight”9 letters
03“Carrying significance”9 letters
04“Carrying weight”9 letters
05“Deserving attention”9 letters
06“Having great significance”9 letters
07“High in significance”9 letters
08“High priority”9 letters
09“Mattering a great deal”9 letters
10“Mattering a lot”9 letters
11“Needing attention”9 letters
12“Needing serious attention”9 letters
13“Not to be ignored”9 letters
14“Not to be overlooked”9 letters
15“Of great value”9 letters
16“Significant”9 letters
17“Worth paying attention to”9 letters
18“Worthy of attention”9 letters
19“High in value”9 letters
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