1. serving to begin something or mark the start of a process
Usage: formal
2. relating to initiation into a group, organization, or practice
Usage: formal

Examples

• The company held an initiatory meeting to discuss the new project.
• New members must complete several initiatory tasks before joining the club.
• The initiatory ceremony welcomed students into the honor society.
• His first speech served as an initiatory step toward running for office.
• The initiatory phase of the program focuses on basic skills.
• Ancient cultures often had initiatory rites for young adults.