The Oxford Thesaurus An A-Z Dictionary of Synonyms - nominal adj.

1) titular, in name only, formal, pretended, so-called, self-styled, soi-disant, professed, purported, supposed, would-be, representational, represented, supposititious; proposed, propositional; puppet: Elliot is the nominal chairman, but Foster actually runs the company. 2) insignificant, trivial, trifling, minor, minuscule, tiny, small, insubstantial, minimal, inconsiderable, token: We charge a nominal fee for the analysis if you refuse our recommendation.