Peer

1. One of the same rank, quality, endowments, character, etc.; an equal; a match; a mate.
2. To make equal in rank.
3. A comrade; a companion; a fellow; an associate.
4. A nobleman; a member of one of the five degrees of the British nobility, namely, duke, marquis, earl, viscount, baron; as, a peer of the realm.
5. To come in sight; to appear.
6. To look narrowly or curiously or intently; to peep; as, the peering day.
7. To be, or to assume to be, equal.