1. to make notable or conspicuous; to mark as significant
Usage: formal
2. to communicate or indicate by means of a signal

Examples

• The ceremony signalizes the beginning of a new era.
• Her promotion signalizes years of hard work and dedication.
• The bell tower signalizes the hour to all residents.
• This achievement signalizes a major breakthrough in medical research.
• The flag signalizes danger to approaching ships.
• The treaty signalizes improved relations between the two countries.