Useful (adjective) — مفيد ونافع: Able to be used practically. Below are 7 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
Worth a lot of money; also very useful or important.
Convenient or useful; skilled with the hands; nearby.
Advantageous; helpful; producing good results; favorable; resulting in benefit
Worth the time or effort.
Achieving a lot; producing good results.
helpfulpractical
Convenient and practical, though perhaps not fully principled.
Providing useful facts.
Giving useful knowledge.