WordWeb Online

1. Provide with traffic signals
   "signalise a busy intersection"
   - signalize
    
2. Communicate silently and non-verbally by signals or signs
   - sign, signal, signalize
    
3. Point out carefully and clearly
   - signalize, point out, call attention
    
4. Make conspicuous or noteworthy
   - signalize, distinguish

Derived forms: signalises, signalising, signalised

See also: signalisation [Brit]

Type of: communicate, designate, furnish, indicate, intercommunicate, mark, point, provide, render, show, supply