assurance

Synonyms: affirmation assertion declaration guarantee insurance lock lock on oath pledge profession promise rain or shine security shoo-in support sure thing vow warrant warranty word word of honor

Antonyms: distrust doubt

Synonyms: aggressiveness aplomb arrogance assuredness audacity boldness bravery certainty certitude conviction coolness courage effrontery faith firmness impudence nerve poise positiveness presumption security self-confidence selfreliance sureness surety temerity trust

Antonyms: confusion distrust doubt fear hesitancy misgiving shyness uncertainty