feeling or showing certainty about something

आत्म-विश्वास से भरा

English Usage: She is very self-assured during her presentations.

Hindi Usage: वह अपनी प्रस्तुतियों के दौरान आत्म-विश्वास से भरी रहती है.

having confidence in one's own abilities

having a composed and assured manner, especially in difficult situations

संयमित और आश्वस्त रहना

English Usage: She remained poised despite the unexpected questions.

Hindi Usage: उसने अप्रत्याशित सवालों के बावजूद संयमित रहकर जवाब दिया.

the feeling or belief that one can rely on someone or something

a positive declaration intended to give confidence

आश्वासन

English Usage: She spoke with assurance that her idea was the best.

Hindi Usage: उसने आश्वासन के साथ कहा कि उसका विचार सबसे अच्छा है.