Other crossword clues for answer "PIONEER"PIONEERBreaker of moldsBlaze a trailNASA probeInnovatorVisionaryLeader__ 10 (first spacecraft to observe Jupiter)Unmanned planetary probeFirst mission to visit the outer planetsConestoga wagon passengerTrailblazerConestoga wagon travelerPush the envelopeConestoga riderInitiateJelly Roll Morton of jazz, e.g.Western settlerTrailblazing settlerGo firstInaugurateSettler in a covered wagonStock character of WesternsPanasonic rivalColonist.Daniel Boone's appellation.Daniel Boone.Breaker of new ground.Daniel Boone, for instance.Traveler on Wilderness Road.Johnny Appleseed was one.Lunar probe satellite.Columbus, for one.John Glenn, for example.Early American.Daniel Boone, for one.Young man (or woman) who went westAvant-gardistShow the wayNASA program that explored the outer planetsDavy Crockett, e.g.Daniel Boone, notablyFirst of a kindFirst in a fieldTrailblazing musicianFirst in the fieldSettlerLewis or ClarkEarly settlerTrailblazePathfinderBlazer of trailsInnovative sortSpearhead