An operative person or thing.
Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment.
That operates to produce an effect.
A person with a unique and interesting personality or creative talent.
A ridgeling.
An object or other creation (e.g. narrative work) from which all later copies and variations are derived.
A newly designed garment released by a fashion designer as part of a collection.
Pioneering.
First in a series of copies or versions.
Having a specified place or time as its origin.
Fresh, different.
Newly created.
Relating to the origin or beginning; preceding all others.