They have 'accomplished' [='done, achieved'] much in a very short period of time.
He finally felt like he had 'accomplished' [='done'] something important.
He is one of the school's most 'accomplished' graduates.
(..) that my research will go on uninterrupted. And that social relationships will continue to baffle and repulse me. Thank you. - He's back. - Yeah, mission accomplished. Forget the mission. How did that little yutz get a girl on his own? I guess times have changed since we were young. (..)2008 TvShow: The Big Bang Theory Title: The Jerusalem Duality Season: 1 Episode 12
(..) As it turns out, yes. - Something's gotta be done about him. - Like what? He'll never cope with the fact that some -year-old is smarter... ...and more accomplished than he is. What if something were to happen to him so he was no longer a threat to Sheldon? Then our problem would be solved. Hang on, (..)2008 TvShow: The Big Bang Theory Title: The Jerusalem Duality Season: 1 Episode 12