signalize

The story

From signal + -ize.

First known use, by meaning

• from 17th c. To distinguish, to make noteworthy.
• from 17th c. To display or make known (an attribute, quality, etc.); to call attention to.
• from 17th c. To point out; to take special note of.
• from 19th c. To communicate with (someone) by means of a signal.
• from 19th c. To indicate; to be a sign of.
• from 20th c. To furnish (a traffic intersection) with a traffic signal.