showing benevolence

charitable, kind

giving or showing approval

approving, friendly

acting or ready to act as a friend

intimate, companionable

friendly (the usual word)

friendly

quick or ready (to listen to, accept, suggestions, new ideas etc)

open to new ideas

having or showing acceptance (of something unpleasant)

enduring, passive

ready, agreeing, (to help, do what is needed, asked etc); given etc without hesitation

agreeable, ready