assure
/əˈʃʊər, əˈsuːər/Definitions
1. verb
to make someone certain or confident about something
“The insurance company assured him that his policy would cover the damages.”
2. verb
to give a guarantee or promise that something will happen
“The company assured investors that they would see a profit within the next year.”
3. verb
to persuade or convince someone of something
“The politician tried to assure the crowd that he was committed to their cause.”
4. noun
a feeling of confidence or certainty about something
“The news gave her a sense of assurance that everything would work out.”
5. noun
a guarantee or promise that something will happen
“The company offered a warranty as assurance to its customers.”