ed ‧ u ‧ ca ‧ tion ‧ al ‧ ist /ˌedjʊˈkeɪʃ ə nələst, ˌedjʊˈkeɪʃ ə nəlɪst $ ˌedʒə-/ BrE AmE ( also ed‧u‧ca‧tion‧ist /-ʃ ə nəst, -ʃ ə nɪst/) noun [countable]
[ Word Family: noun : ↑ education , ↑ educationalist , educationist, ↑ educator ; adjective : ↑ educated ≠ ↑ uneducated , ↑ educational , ↑ educable ≠ ↑ ineducable , ↑ educative ; verb : ↑ educate ; adverb : ↑ educationally ]
formal someone who knows a lot about ways of teaching and learning