acceptance speech
Specifically the speech given by a candidate upon accepting a party's nomination for an election, especially in political contexts.
党大会で候補者が指名受諾演説を行った。
The candidate gave an acceptance speech at the party convention.
A more general term for an acceptance speech, not necessarily tied to a political nomination.
An inaugural address given upon assuming office, distinct from the nomination acceptance speech.
Compound of 指名 (nomination), 受諾 (acceptance), and 演説 (speech). The exact historical derivation is uncertain; the term is a modern political expression.