Synonyms of the word

petitioner

• n. (law) Someone who presents a petition to a court.

applicant

• n. One who applies for something; one who makes request; a petitioner.
• n. The third coordinate (or z-coodinate) in a three dimensional coordinate system.

applier

• n. A person who or device that applies something.

complainant

• n. (law) the party that brings a civil lawsuit against another; the plaintiff.
• n. One who makes complaint.

plaintiff

• n. (law) A party bringing a suit in civil law against a defendant; accusers.

requester

• n. One who, or that which, makes a request.

suer

• n. One who sues; a suitor.

suppliant

• adj. Entreating with humility.
• n. One who pleads or requests earnestly.

supplicant

• adj. begging, pleading, supplicating.
• n. one who comes to humbly ask or petition.