1) Amiable 2) Biology book 3) Easygoing 4) Tolerant, kindly 
Good Natured is a book by primatologist Frans de Waal on animal behavior and the evolution of ethics. ==Publishing history== The book was published in 1996 by Harvard University Press under the full title Good Natured: The Origins of Right and Wrong in Humans and Other Animals. Much of the book details observations of primate behavior, especially ...
• (a.) Naturally mild in temper; not easily provoked.
Good`-na'tured adjective Naturally mild in temper; not easily provoked. Syn. -- Good-natured , Good-tempered , Good- humored . Good-natured denotes a disposition to please and be pleased. Good-tempered denotes a habit of mind which is not easily ruffled by pr...
[adj] - having an easygoing and cheerful disposition
adjective having an easygoing and cheerful disposition; `too good-natured to resent a little criticism`; `the good-natured policeman on our block`; `the sounds of good-natured play`