instructive
adj. B2 Upper Intermediate US //ˌɪnˈstɹəktɪv// UK //ɪnstɹˈʌktɪv// in·struc·tive
adj. helpful for learning or understanding something. You use this to describe a book, a lesson, or an experience that teaches you a new skill or fact.
adj. providing useful information or knowledge; helpful for learning. Often used to describe experiences or texts that offer practical lessons or insights.
The documentary was very instructive about local history.
The workshop provided an instructive look at how to fix common plumbing leaks without calling a professional.
While the lecture was technically difficult, it was ultimately instructive, as it clarified several concepts that had previously seemed impossible to grasp.
From instruct + -ive.