Token

DEF: 1. something that you do, or a thing that you give someone, that expresses your feelings or intentions, although it might have little practical effect.

2. a round metal or plastic disc that is used instead of money in some machines

Merriam-Webster Online Dictionary
token (noun)
1.
an outward sign or expression - his tears were tokens of his grief
2.
a) - symbol emblem a white flag is a token of surrender
b) an instance of a linguistic expression
3.
a distinguishing feature - characteristic
4.
a) - souvenir keepsake
b) a small part representing the whole - indication this is only a token of what we hope to accomplish
c) something given or shown as a guarantee (as of authority, right, or identity)
5.
a) a piece resembling a coin issued as money by some person or body other than a de jure government
b) a piece resembling a coin issued for use (as for fare on a bus) by a particular group on specified terms
6.
a member of a group (as a minority) that is included within a larger group through - tokenism , especially a token employee sign
token (adjective)
1.
done or given as a token especially in partial fulfillment of an obligation or engagement - a token payment
2.
a) representing no more than a symbolic effort - minimal perfunctory token resistance token integration
b) serving or intended to show absence of discrimination - a token female employee