introduce

bring something new to an environment

“A new word processor was introduced”

put before (a body)

“introduce legislation”

bring before the public for the first time, as of an actor, song, etc.

put or introduce into something

be a precursor of

furnish with a preface or introduction

cause to come to know personally

“introduce the new neighbors to the community”

bring in a new person or object into a familiar environment

“The new secretary introduced a nasty rumor”

place, fit, or thrust (something) into another thing

bring in or establish in a new place or environment

“introduce a rule”