**Assuredness** means confidence or self-assurance. Here are some examples of how to use this word in English:
1. Despite her nervousness, she spoke with great assuredness and calmness in front of the audience.
2. His assuredness in his abilities helped him overcome any doubts and achieve his goals.
3. The teacher's assuredness in explaining complex concepts made it easier for students to understand the material.
4. She showed great assuredness in her presentation, leaving no doubt in the minds of the audience about her expertise.
5. His assuredness in negotiations helped him achieve favorable terms for his company.
6. The coach's assuredness in the team's abilities gave them confidence and motivation to perform at their best.
7. Her assuredness in public speaking allowed her to connect with the audience and convey her message effectively.
8. The lawyer's assuredness in court helped him win the case for his client.
9. His assuredness in handling difficult situations made him a reliable and trustworthy colleague.
10. The company's assuredness in its product quality led to its success in the market.