1. to make notable or conspicuous; to distinguish or mark as important
Usage: British spelling; formal
2. to point out or indicate clearly
Usage: British spelling; formal

Examples

• The victory was signalised by a grand celebration.
• This achievement signalises a new era in medical research.
• The monument signalises the importance of the historic battle.
• Her promotion signalises the company’s commitment to diversity.
• The ceremony will signalise the beginning of the new academic year.
• The award signalises excellence in community service.