The state of things being similar or identical.
A point of resemblance; a similarity.
The state of being conforming, of complying with a set of rules, with a norm or standard.
The ideology of adhering to one standard or social uniformity.
A word whose meaning is the same as that of another word.
An alternative (often shorter) name defined for an object in a database.
Any name for a taxon, usually a validly published, formally accepted one, but often also an unpublished name.
A word or phrase with a meaning that is the same as, or very similar to, another word or phrase.
Any of the formal names for a taxon, including the valid name (i.e. the senior synonym).