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"summons" is also used as a crossword clue. If that's what you saw, the answer is often invoking (8 letters).
Definitions
call in an official matter, such as to attend court
Word origin
From Middle English somouns (“order or command to do something”), borrowed from Old French sumunce (modern French semonce), from Vulgar Latin *summonsa, a noun use of the feminine past participle of summoneō, summonēre (“to summon”).
Used in a sentence
“He sent to summon the seditious, and to offer pardon[…]; but neither summons nor pardon was any thing regarded.”
“this summons […] unfit either to dispute or disobey”
“special summonses by the king”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Official call to court”7 letters
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