proficiently
- r in a proficient manner
he dealt proficiently with the problem
- White fourth-graders are more than three times as likely to read proficiently as black fourth-graders.
- Obama's was smoothly managed, dramatically framed and, as his audience has come to expect, proficiently delivered.
- And despite the gains in 4th grade scores, not one state not even mighty Massachusetts has even half of its 4th graders reading proficiently.