#1 introduction n. [debut, first appearance, launching, unveiling, entry] the act of beginning something new; "they looked forward to the debut of their new product line". wn
#2 introduction n. the first section of a communication. wn
#3 introduction n. [presentation, intro] formally making a person known to another or to the public. wn
#4 introduction n. a basic or elementary instructional text. wn
#5 introduction n. a new proposal; "they resisted the introduction of impractical alternatives". wn
vizzz