Definition of "Friendly" :

noun: troops belonging to or allied with your own military forces

adjective: characteristic of or befitting a friend

"Friendly advice."

adjective: of or belonging to your own country's forces or those of an ally

"In friendly territory."

adjective: easy to understand or use

"User-friendly computers."

adjective: inclined to help or support; not antagonistic or hostile

"A government friendly to our interests."