IPA: /ˌɪntrəˈdʌktərɪli/
KK: /ɪntrəˈdʌktərɪli/
In a manner that serves to introduce something or someone.
The speaker began the presentation introductorily, outlining the main topics to be discussed.
Introductorily → It is formed from "intro-" (meaning inward) and "ducere" (meaning to lead) combined with the suffix "-ory" (meaning relating to or characterized by). The word refers to something that is related to leading inward or providing an introduction.
Think of 'leading inward' ('intro-') to understand that 'introductorily' means relating to an introduction.