as ‧ sur ‧ ance AC /əˈʃʊərəns $ əˈʃʊr-/ BrE AmE noun
[ Word Family: verb : ↑ assure ; noun : ↑ assurance ]
1 . [countable] a promise that something will definitely happen or is definitely true, made especially to make someone less worried:
Despite my repeated assurances, Rob still looked very nervous.
give/seek/receive an assurance (that)
He gave an assurance that the work would be completed by Wednesday.
2 . [uncountable] a feeling of calm confidence about your own abilities, or that you are right about something:
the calm assurance with which she handled the horse
‘Jack will never agree to that,’ he said with assurance.
3 . [uncountable] British English technical insurance, especially to provide money when someone dies SYN insurance American English
⇨ ↑ life assurance