Token
/ˈtəʊkən/
noun
Something serving as an expression of something else.
“According to the Bible, the rainbow is a token of God's covenant with Noah.”
A keepsake.
“Please accept this bustier as a token of our time together.”
A piece of stamped metal or plastic, etc., used as a substitute for money; a voucher that can be exchanged for goods or services.
“A book token is the easiest option for a Christmas gift.”
Synonyms: memento, souvenir, miracle, password, reason, reasoning, sign, symbol
verb
To betoken, indicate, portend, designate, denote
To betroth
To symbolize, instantiate
adjective
Done as an indication or a pledge; perfunctory, minimal or merely symbolic.
“He made a token tap on the brake pedal at the stop sign.”
A minor attempt for appearance's sake, or to minimally comply with a requirement
“he was hired as the company's token black person”