Party vs. Fest

A social gathering especially for pleasure or amusement

A gathering or occasion characterized by a specified activity. Often used in combination

A group of people who have gathered to participate in an activity

(in combination) A gathering for a specified reason or occasion.

A group of soldiers selected for a duty or mission

(in combination) An event in which the act denoted by the previous noun occurs.

An established political group organized to promote and support its principles and candidates for public office.

The fist.

A person or group involved in an enterprise; a participant or accessory

A feast.

(Law) A person or entity that participates in a transaction, makes a contract, or is involved in a lawsuit as a litigant.

A subscriber to a telephone party line.

A person using a telephone.

A person

Of, relating to, or participating in an established political organization

Suitable for use at a social gathering

Characteristic of a pleasurable social gathering

To celebrate or carouse at a party or similar gathering

(legal) A person or group of people constituting a particular side in a contract or legal action.

A person.

A person; an individual.

With to: an accessory, someone who takes part.

A group of people forming one side in a given dispute, contest etc.

Active player characters organized into a single group.

(video games) A group of characters controlled by the player.

(politics) A political group considered as a formal whole, united under one specific political platform of issues and campaigning to take part in government.

(military) A discrete detachment of troops, especially for a particular purpose.

A group of persons collected or gathered together for some particular purpose.

A gathering of usually invited guests for entertainment, fun and socializing.

A group of people traveling or attending an event together, or participating in the same activity.

A gathering of acquaintances so that one of them may offer items for sale to the rest of them.

A small group of birds or mammals.

(obsolete) A part or division.

(intransitive) To celebrate at a party, to have fun, to enjoy oneself.

To take recreational drugs.

(intransitive) To engage in flings, to have one-night stands, to sow one's wild oats.

To form a party (with).

Of a fence or wall: shared by two properties and serving to divide them.

Divided; in part.

(heraldry) Parted or divided, as in the direction or form of one of the ordinaries.

A part or portion.

A number of persons united in opinion or action, as distinguished from, or opposed to, the rest of a community or association; esp., one of the parts into which a people is divided on questions of public policy.

A part of a larger body of company; a detachment;

A number of persons invited to a social entertainment; a select company; as, a dinner party; also, the entertainment itself; as, to give a party.

One concerned or interested in an affair; one who takes part with others; a participator; as, he was a party to the plot; a party to the contract.

The plaintiff or the defendant in a lawsuit, whether an individual, a firm, or corporation; a litigant.

Hence, any certain person who is regarded as being opposed or antagonistic to another.

Cause; side; interest.

A person; as, he is a queer party.

Parted or divided, as in the direction or form of one of the ordinaries; as, an escutcheon party per pale.

Partial; favoring one party; partisan.

Partly.

An organization to gain political power;

An occasion on which people can assemble for social interaction and entertainment;

A band of people associated temporarily in some activity;

A group of people gathered together for pleasure;

A person involved in legal proceedings;

Have or participate in a party;