introduce

cause to come to know personally

• “permit me to acquaint you with my son”
• “introduce the new neighbors to the community”

bring something new to an environment

• “A new word processor was introduced”

introduce

• “Insert your ticket here”

bring in a new person or object into a familiar environment

• “He brought in a new judge”
• “The new secretary introduced a nasty rumor”

bring in or establish in a new place or environment

• “introduce a rule”
• “introduce exotic fruits”

put or introduce into something

• “insert a picture into the text”

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

as of legislation into a legislative body

furnish with a preface or introduction

• “She always precedes her lectures with a joke”
• “He prefaced his lecture with a critical remark about the institution”

be a precursor of

• “The fall of the Berlin Wall ushered in the post-Cold War period”