Something that is helpful makes a situation more pleasant or more easy to tolerate. It is often helpful to have your spouse in the room when major news is expected
If you describe someone as helpful, you mean that they help you in some way, such as doing part of your job for you or by giving you advice or information. The staff in the London office are helpful but only have limited information + helpfully help·ful·ly They had helpfully provided us with instructions on how to find the house + helpfulness help·ful·ness The level of expertise and helpfulness is far higher in smaller shops
showing a willingness to cooperate; "a helpful cooperative patient"; "parents hope to raise children who are considerate and helpful to others"
showing a willingness to cooperate; "a helpful cooperative patient"; "parents hope to raise children who are considerate and helpful to others" providing assistance or serving a useful function of service or assistance; "a child who is helpful around the house can save the mother many steps