usefulしか思い浮かびません*o＿ ＿)oバタッ
informative
【adjective】
〔情報・本などが〕参考［勉強・ため］になる、有益な、得るところの多い
providing many useful facts or ideas
：an informative and entertaining book(L)
：We hope you find it informative.(英)
：The talk was both informative and entertaining.(O)
：Findings suggest that while television is more informative than the press, it is less persuasive.(O)
：This is an interesting and highly informative book.(C)
●BBC：10 January 2013
MPs call for '32% salary increase'
"The consultation we held over the autumn has been hugely informative and important in directing our thinking.
"
●BBC：13 September 2012
Fife Constabulary praised in report
Fife Constabulary could do better in areas including more informative performance reports.
informative
【adjective】
〔情報・本などが〕参考［勉強・ため］になる、有益な、得るところの多い
providing many useful facts or ideas
：an informative and entertaining book(L)
：We hope you find it informative.(英)
：The talk was both informative and entertaining.(O)
：Findings suggest that while television is more informative than the press, it is less persuasive.(O)
：This is an interesting and highly informative book.(C)
●BBC：10 January 2013
MPs call for '32% salary increase'
"The consultation we held over the autumn has been hugely informative and important in directing our thinking.
"
●BBC：13 September 2012
Fife Constabulary praised in report
Fife Constabulary could do better in areas including more informative performance reports.