|Definition - Another name for a subject pronoun, a personal pronoun that is used as the subject of a sentence, e.g. I, you, he, she, it, we, what, who, and they.|
Example Usages -
1. "The personal pronouns I, you, we, he, she, it, we, and they are known as subjective pronouns because they act as the subjects of verbs"
(Source: http://oxforddictionaries.com/words/pronouns )