General:
* Reconnaissance: This word emphasizes the act of exploring and gathering information.
* Explorer: This word emphasizes the act of venturing into unfamiliar territory.
* Observer: This word emphasizes the act of watching and noting details.
* Investigator: This word emphasizes the act of searching for facts or evidence.
* Spy: This word implies covert or secretive observation.
* Pathfinder: This word suggests someone who finds or clears a way for others to follow.
Specific to scouting:
* Outpost: This word refers to a small group of people stationed in a forward position.
* Advance guard: This word refers to the part of an army that goes ahead to scout the way.
* Forward party: This word refers to a small group sent ahead to prepare for the main force.
Other:
* Lookout: This word emphasizes the act of watching for danger or opportunity.
* Prospector: This word suggests someone who searches for valuable resources.
* Pioneer: This word implies someone who breaks new ground or prepares the way for others.
The best synonym for "scout" will depend on the specific context of your sentence.