initiative

(noun) readiness to embark on bold new ventures. Synonyms: enterprise, enterprisingness, go-ahead.

(noun) the first of a series of actions. Synonyms: first step, opening move, opening.

(adj) serving to set in motion. Synonyms: inaugural, initiatory, first, maiden. Examples: "The magazine's inaugural issue." "The initiative phase in the negotiations." "An initiatory step toward a treaty." "His first (or maiden) speech in congress." "The liner's maiden voyage."