An estate is everything comprising the net worth of an individual, including all land and real estate, possessions, financial securities, cash, and other assets that the individual owns or has a controlling interest in.

Merriam-Webster Online Dictionary
estate (noun)
1.
- state condition
2.
social standing or rank especially of a high order
3.
a social or political class , specifically one of the great classes (as the nobility, the clergy, and the commons) formerly vested with distinct political powers
4.
a) the degree, quality, nature, and extent of one's interest in land or other property
b) (1) - possessions property , especially a person's property in land and tenements - a man of small estate
(2) the assets and liabilities left by a person at death
c) a landed property usually with a large house on it
d) British - project
5.
British - station wagon
6.
- farm plantation , also - vineyard
estate (adjective)
previously owned by another and usually of high quality - estate jewelry
Merriam-Webster Online Thesaurus
estate (noun)
1.
a large impressive residence
SYNONYMS:
castle, château, estate, hacienda, hall, manor, manor house, manse, palace, villa
RELATED WORDS:
showplace; abode, domicile, dwelling, habitation, hearth, home, house, lodging(s), pad, place; housing, nest, quarter(s), residency, roof; great house; country house, countryseat; aerie, penthouse; salon, suite, town house
estate (noun)
2.
a state of being or fitness
SYNONYMS:
estate, fettle, form, health, keeping, kilter, nick, order, repair, shape, trim
RELATED WORDS:
practice ( practise); pass, phase, stage; footing, picture, posture, scene, status, situation; rank, standing
NEAR ANTONYMS:
disorder, disrepair
estate (noun)
3.
one of the segments of society into which people are grouped
SYNONYMS:
caste, estate, folk, gentry, order, stratum
RELATED WORDS:
bracket, echelon, grade, layer, level, tier; place, position, rank, standing, status; food chain, grouping, hierarchy, stratification; clan, family, fraternity, people, race, tribe; subcaste
estate (noun)
4.
a piece of land and its buildings used to grow crops or raise livestock
SYNONYMS:
estate, farmstead, grange, ranch
RELATED WORDS:
cropland, farmland, farmyard; farmhouse, hacienda, homestead, manor, plantation, spread; croft [], smallholding [], station, steading; garden, orchard
estate
Synonyms:
legacy, assets, inheritance
Categories: Finance