instructive

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

serving to instruct or enlighten or inform (Freq. 1)
• Syn:
informative
• Ant:
uninstructive
• Similar to:
clarifying, elucidative, demonstrative, illustrative, didactic,
didactical, doctrinaire, educative, educational, explanatory, expository,
expositive, interpretative, interpretive, ostensive, preachy
• See Also:
informative, informatory
• Derivationally related forms:
inform (for: informative), instruct