Answer: versed

AnswerCrossword Clue
VERSEDProficient.
versedVERSE, to versify (to change from prose into metrical form)
versedexpert; skilled
VERSEDKnowledgeable (in)
VERSEDSkilled (in)
VERSEDUp on, with "in"
VERSEDPracticed
VERSEDLearned
VERSEDSkilled, with "in"
VERSEDExperienced, with "in"
VERSEDKnowledgeable
VERSEDSkilled (in).
VERSEDWell informed.
VERSEDSkilled.
VERSEDProficient
VERSEDFamiliar
VERSEDExperienced
VERSEDExperienced (in)
VERSEDSkilled