well-seasoned russian

• налета́вший

  experienced (pilot), seasoned (pilot), well-flown (aircraft)

• выдержаный

  aged, matured, well-seasoned

  self-possessed, composed, even-tempered

  consistent, sustained, coherent (in style)

• вы́лежавшийся

  well-aged, well-matured, seasoned, ripened

• напрактикова́вшийся

  well-practiced, experienced, seasoned, proficient (through practice)

• прика́танный

  rolled, compacted, pressed down, smoothed (by rolling)

  broken-in, seasoned, well-practised, established (method)