Assuring
Part of speech: verb
Definition: To make sure and secure.
Example sentence: Employees have been worrying about the rising tide of automation for 200 years now, and for 200 years employers have been assuring them that new jobs will naturally materialize to take their place.
Reassuring
Part of speech: adjective
Definition: in a manner that reassures
Part of speech: verb
Definition: To assure anew; to restore confidence to; to free from fear or self-doubt.
Example sentence: It is reassuring for people to feel they have a boss, someone who knows the answers and has charted the course.