D defs.my
Entry 1 sense Webster, 1913

Instructional

/ĭnˌ-strŭk'-shən-əl/ · In·struc·tion·al · IPA /ˌɪnstrˈʌkʃənəl/
01 a. Pertaining to, or promoting, instruction; educational.
  1. 1.
    Pertaining to, or promoting, instruction; educational.