profitable; useful; helpful

favorable

having a healthy, helpful, productive etc effect

advantageous

showing benevolence

charitable, kind

showing kindness and understanding

giving, generous

suitable; that avoids trouble or difficulty

appropriate, useful

having to do with culture

educational, enlightening

helping to, able to, cure disease or ill health

healing, health-giving

(of an act, action) likely to be useful or helpful for a purpose (but not necessarily desired)

worthwhile, appropriate

having, bringing, brought by, good fortune; lucky (which is more usual)

having good luck

acting or ready to act as a friend

intimate, companionable

giving, ready to give, freely

giving, big-hearted

being kind and caring about the feelings of another

kind, compassionate

incapable of making mistakes or doing wrong

unerring, dependable

giving or containing information

informative

causing, responsible (for something); of or for musical instrument

influential, assisting

of a value too high to be measured

priceless

friendly (the usual word)

friendly

pleasant; kind; friendly; needing care and exactness; sensitive

likable, agreeable

suitable, favourable

advantageous, lucky

kind and helpful

charitable, giving

full of, showing, thought; thinking of the needs of others

caring, mindful

not selfish

kind, giving

having a use; helpful

beneficial, valuable

of great value, worth or use; very useful

very important; priceless

making a person healthy

healthy, decent