Helpful
Definitions
Giving or ready to give help; useful.
Providing assistance or serving a beneficial purpose.
Examples
The teacher provided some very helpful feedback on my essay.
It is always helpful to have a map when you are exploring a new city.
Synonyms
Useful Assisting Cooperative Supportive Beneficial Accommodating Advantageous
Antonyms
Useless Unhelpful Hindering Obststructive Detrimental Uncooperative Inconvenient