path·find·er 
(păthfīn′dər, päth-)
(păthfīn′dər, päth-)n.
1. One that discovers a new course or way, especially through or into unexplored regions.
2. One of a group of paratroopers who land ahead of a main force in order to mark the drop zone.
pathfind′ing adj.
- postmillennialist
- postmillennian
- postmistress
- postmodern
- postmodernism
- postmodernist
- postmortem
- post mortem
- postmortem examination
- postnasal
- postnasal drip
- postnatal
- postnatally
- postnuptial
- postnuptially
- post office
- post office box
- post-op
- postop
- postoperative
- postoperatively
- postorbital
- postpaid
- postpartum
- post-polio syndrome