"a congenial atmosphere to work in"; "two congenial spirits united...by mutual confidence and reciprocal virtues"- T.L.Peacock
is similar to
friendly and pleasant
"a sociable gathering"
see also
able to exist and perform in harmonious or agreeable combination
"a compatible married couple"; "her deeds were compatible with her ideology"
see also
characteristic of or befitting a friend
"friendly advice"; "a friendly neighborhood"; "the only friendly person here"; "a friendly host and hostess"
see also
expressing or feeling or resulting from sympathy or compassion or friendly fellow feelings; disposed toward
"sympathetic to the students' cause"; "a sympathetic observer"; "a sympathetic gesture"