A Thing

1. That which is considered to exist as a separate entity, object, quality or concept.
2. A word, symbol, sign, or other referent that can be used to refer to any entity.
3. An individual object or distinct entity.
4. (informal) A genuine concept, entity or phenomenon; something that actually exists (often contrary to expectation or belief). [from 20th c.]
5. (law)
   1. Whatever can be owned.
   2. Corporeal object.
6. (somewhat dated, with the) The latest fad or fashion.
7. (in the plural) Clothes, possessions or equipment.
8. (informal) A unit or container, usually containing edible goods.
9. (informal) A problem, dilemma, or complicating factor.
10. (slang) A penis.
11. A living being or creature.
12. That which matters; the crux.
13. Used after a noun to refer dismissively to the situation surrounding the noun's referent.
14. (informal) That which is favoured; personal preference. (Used in possessive constructions.)
15. (chiefly historical) A public assembly or judicial council in a Germanic country. Thing (assembly) - Wikipedia
16. (informal) A romantic relationship.
17. (informal) A romantic couple.

Synonyms

• (referent that can be used to refer to any entity): item, stuff (uncountable equivalent), yoke (Ireland)
• (penis): penis
• (personal preference): predilection