Scrabble?! SIGNAL

Definitions of SIGNAL in various dictionaries:

noun - any non verb al action or gesture that encodes a message

noun - any incitement to action

noun - an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

verb - communicate silently and non- verb ally by signals or signs

verb - be a signal for or a symptom of

adj - notably out of the ordinary

An indicator, such as a gesture or colored light, that serves as a means of communication.

A message communicated by such means.

Something that incites action: The peace treaty was the signal for mass celebrations.

An impulse or a fluctuating electric quantity, such as voltage, current, or electric field strength, whose variations represent coded information.

Notably out of the ordinary: a signal feat.

To make a signal to: I signaled the driver to proceed.

To make a signal or signals.

verb - to notify by a means of communication