at an opportune time(syn: seasonably: Your letter arrived apropos.merriam-webster.com); with regard to(something: Apropos the proposed changes, I think more information is needed.merriam-webster.com); being both relevant and opportune(apropos comments • The NFL draft will be a culmination of Herbert’s journey from hometown hero to NFL quarterback. As much as the draft not being held in Las Vegas is missing out on a spectacle, the virtual version might be far more apropos for Herbert, who will celebrate from home with his family.merriam-webster.com)