introduction

(noun) the act of beginning something new. Synonyms: debut, first appearance, launching, unveiling, entry. Examples: "They looked forward to the debut of their new product line."

(noun) the first section of a communication.

(noun) formally making a person known to another or to the public. Synonyms: presentation, intro.

(noun) a basic or elementary instructional text.

(noun) a new proposal. Examples: "They resisted the introduction of impractical alternatives."

(noun) the act of putting one thing into another. Synonyms: insertion, intromission.

(noun) the act of starting something for the first time; introducing something new. Synonyms: initiation, founding, foundation, institution, origination, creation, innovation, instauration. Examples: "She looked forward to her initiation as an adult." "The foundation of a new scientific society."