1. the act of making a promise or commitment
2. the process of joining a fraternity or sorority
Usage: college context

1. making a serious promise or commitment to do something
Usage: present participle of pledge
2. giving something as security for a loan or debt
Usage: financial context

Examples

• She is pledging to donate half her salary to charity.
• The candidate spent the day pledging support for education reform.
• He is pledging his house as collateral for the business loan.
• The pledging process for the fraternity lasts six weeks.
• Many students are pledging different organizations this semester.
• The pledging of allegiance is a daily school ritual.
• They are pledging their commitment to environmental protection.