Thing
Contrivance
Synonyms: Object, item, commodity, gadget, instrument, tool, entity, whatsit, what's-its-name, whatchamacallit, thingy, thingamajig, oojah, doodah, gubbins, doohickey, dingus, article, artefact, device, contrivance, utensil, implement, body, what-d'you-call-it, what's-it, thingummy, thingamabob, oojamaflip, gizmo, doobry, doodad, doojigger, and thingo.
Stuff
Synonyms: Belongings, stuff, worldly goods, personal effects, paraphernalia, bits and pieces, luggage, bags, chattels, valuables, garments, gear, togs, traps, trek, possessions, property, goods, effects, impedimenta, bits and bobs, baggage, bags and baggage, movables, clothes, goods and chattels, junk, garms, clobber, and dunnage.
Equipment
Synonyms: Equipment, gear, tackle, implements, utensils, apparatus, kit, stuff, tools, and accoutrements.
Undertaking
Synonyms: Activity, action, undertaking, feat, job, piece of business, notion, concept, concern, worry, remark, comment, observation, pronouncement, episode, happening, eventuality, act, deed, exploit, task, chore, thought, idea, conception, matter, preoccupation, statement, utterance, declaration, incident, event, occurrence, and phenomenon.
Affairs
Synonyms: Matters, circumstances, relations, situation, affairs, conditions, state of affairs, and life.
Attribute
Synonyms: Characteristic, attribute, trait, point, facet, fact, detail, factor, quality, property, feature, aspect, element, piece of information, and particular.
One's bag
Synonyms: What one likes, one's cup of tea, what turns one on, what interests one, one's bag, and what floats one's boat.
Example Sentences
The thing broke last night.
What is that shiny thing?
She lost her favorite thing.
That thing belongs to me.