#1 introduce v. [present, acquaint] cause to come to know personally; "permit me to acquaint you with my son"; "introduce the new neighbors to the community". wn
#2 introduce v. [innovate] bring something new to an environment; "A new word processor was introduced". wn
#3 introduce v. [insert, enclose, inclose, stick in, put in] introduce; "Insert your ticket here". wn
#4 introduce v. [bring in] bring in a new person or object into a familiar environment; "He brought in a new judge"; "The new secretary introduced a nasty rumor". wn
#5 introduce v. bring in or establish in a new place or environment; "introduce a rule"; "introduce exotic fruits". wn
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