polyvalent

Multivalent; having a number of different forms, purposes, meanings, aspects or principles.

Having a high valence, especially more than three.

Having multiple valencies.

Containing antibodies to more than one kind of pathogen.

Having several different syllabic or semantic meanings depending on the context.

The approximately 1000 different cuneiform signs form a complex script system in which practically every symbol is polyvalent, i.e., having multiple phonemic and/or semantic realizations.