studious

adjectives

marked by care and effort
"made a studious attempt to fix the television set"
is derived from
is similar to
exercising caution or showing care or attention
"they were careful when crossing the busy street"; "be careful to keep her shoes clean"; "did very careful research"; "careful art restorers"; "careful of the rights of others"; "careful about one's behavior"
characterized by diligent study and fondness for reading
"a bookish farmer who always had a book in his pocket"; "a quiet studious child"
is derived from
is derived from