The adjective eclectic means methods, beliefs, ideas, etc. that combine whatever seem the best or most useful things from many different areas or systems, rather than following a single system.
Synonyms are comprehensive, broad, diverse, or varied.
The word origins from French (1650s) eclectique and Greek eklektikos meaning “selective”, literally “picking out”. It also sources from eklektos meaning “selected”, and eklegein meaning “pick out, select”. It is derived out of its assimilated form of ek meaning “out” plus legein meaning “gather, choose”.
She designed the interior with an eclectic mix of wooden floors and modern furnishing.
You have an eclectic taste in music.
He added that electric piano to his eclectic collection of instruments.