introduce

verb

Etymology: From Middle English introducen, from Old French introduire, from Latin intrōdūcō, ultimately from Proto-Indo-European *h₁énteros (“inner, what is inside”) and *dewk-.

1. To cause (someone) to be acquainted (with someone else).

   “Let me introduce you to my friends.”

   “His unruly hair was slicked down with water, and as Jessamy introduced him to Miss Brindle his face assumed a cherubic innocence which would immediately have aroused the suspicions of anyone who knew him.”

2. To make (something or someone) known by formal announcement or recommendation.

   “The senator plans to introduce the bill in the next session.”

   “Let me introduce our guest speaker.”

3. To add (something) to a system, a mixture, or a container.

   “Various pollutants were introduced into the atmosphere.”

4. To bring (something) into practice.

   “Wheeled transport was introduced long ago.”

   “In conformity with the decision of the Ministry of Interior, the Kansu-Szechwan Standard Time (same as Chungking Time) has been introduced as the standard time for all the railways.”