Solution

PROMISE

3 clues

Assurance

Word class: Common noun
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Society

Other solutions to Assurance

Give one's word

Word class: Verb
Nature of clue: Synonym
Difficulty: Easy
Sources: Boatload Puzzles
Topics: Society

Pledge

Word class: Common noun
Nature of clue: Synonym
Difficulty: Very easy
Sources: Boatload Puzzles
Topics: Society

Other solutions to Pledge

Words are categorized by artificial intelligence: there can be mistakes.