1) Explore ahead 2) Observe 3) Reconnoitre 4) Scout 5) Scout out 6) Survey an enemy position 7) Survey militarily 1) Patrol 2) Reconnoitre 
• (v. t.) Alt. of Reconnoitre
reconnoiter, reconnoiters 1. To explore an area in order to gather information, especially about the strength and positioning of enemy forces: 'The special forces will reconnoiter the drop zone to make sure it is accessible.' 2. An exploration of an area in order to gather information. 3. Etymology: from early 18th century via obsolete French rec...