We (pronoun)

1. Used by a speaker to refer to himself or herself and one or more other people as the object of a verb or preposition.
2. Used to refer to the speaker together with other people, as the subject of a verb.
3. Used to refer to the speaker and the people being addressed, as the subject of a verb.
4. Used to refer to a group of people, including the speaker, as the subject of a verb.
5. Used to refer to a group of people, excluding the speaker, as the object of a verb or preposition.

Origin:

Old english we, of germanic origin; related to dutch wij, german wir, and swedish vi.

Examples:

1. We are going to the park.
2. I gave it to we.
3. We're having a party.
4. We think it's a great idea.
5. We're going to win this game.