In connection with somebody/something Definition 1 of 3Pro Tip 1/3Criminal Proceedings Often used when talking about legal actions or investigations. A suspect was detained in connection with the ongoing investigation. Pro Tip 2/3Impersonal Language Used to speak about issues professionally without personal feelings. The CEO spoke in connection with the recent data breach. Pro Tip 3/3Attribution Used to tie actions or events to specific people or causes. The policy change came in connection with the new CEO's vision.