making good on one's words; doing what one says — matching action to speech, keeping one's promises.
彼は有言実行の人で、言ったことは必ずやり遂げる。
He is a person of his word and always follows through on what he says.
新しい方針は有言実行で進められるべきだ。
The new policy should be implemented as promised.
有言実行こそ信頼を築く基本だ。
Keeping one's word is the foundation of building trust.
彼女は有言実行の姿勢で部下から尊敬されている。
She is respected by her subordinates for her practice of following through on her words.