Tame or nice, a mix of them is the closest answer. The first word would better describe it if you could choose only one, though.
Docile
Easy going Meek Obedient Pliable Gentle
No, "docile" does not mean dumb. The term "docile" refers to someone or something that is easily taught, managed, or led; it suggests a willingness to be guided or controlled. A docile person can be intelligent but may choose to be compliant or passive in certain situations. Hence, docility is about temperament rather than intelligence.
Something quiet and tame.
The antonym of docile is defiant or obstinate.
obedient
Docile
submissive, yielding, docile, gentle.
obedient, resigned, gentle, soft, cool
docile
Easy going Meek Obedient Pliable Gentle
compliant, docile, obedient, pliable, tractable, yielding are synonyms for pliant.
meek
meek also docile as in, a docile horse
Docile or compliant would be good synonyms for submissive.
The opposite of "ferocious" would be calm, tame, docile, or unexcited.
No, "docile" does not mean dumb. The term "docile" refers to someone or something that is easily taught, managed, or led; it suggests a willingness to be guided or controlled. A docile person can be intelligent but may choose to be compliant or passive in certain situations. Hence, docility is about temperament rather than intelligence.