1.  pioneer(n = noun.person) groundbreaker, innovator, trailblazer - someone who helps to open up a new line of research or technology or art; Array
is a kind of conceiver, mastermind, originator
Derived forms verb pioneer₂, verb pioneer₁

2.  pioneer(n = noun.person) Array - one the first colonists or settlers in a new territory; "they went west as pioneers with only the possessions they could carry with them"
is a kind of colonist, settler
has particulars: bushman, backwoodsman, frontiersman, mountain man, frontierswoman, bowie, james bowie, jim bowie, chapman, john chapman, johnny appleseed
Derived form verb pioneer₃

1.  pioneer(v = verb.creation) open up - open up an area or prepare a way; "She pioneered a graduate program for women students"
is one way to innovate, introduce
Derived form noun pioneer₁
Sample sentences: Somebody ----s something

2.  pioneer(v = verb.creation) initiate - take the lead or initiative in; participate in the development of; "This South African surgeon pioneered heart transplants"
is one way to cause, do, make
Derived form noun pioneer₁
Sample sentences: Somebody ----s something

3.  pioneer(v = verb.cognition) Array - open up and explore a new area; "pioneer space"
is one way to explore
Derived form noun pioneer₂
Sample sentences: Somebody ----s something

1.  A soldier detailed or employed to form roads, dig trenches, and make bridges, as an army advances. [1913 Webster]

2.  One who goes before, as into the wilderness, preparing the way for others to follow; as, pioneers of civilization; pioneers of reform. [1913 Webster]

1.  To go before, and prepare or open a way for; to act as pioneer. [1913 Webster]

2.  to take part in the early development of; to break ground in; to invent or originate. [PJC]

pioneer, n. & v.
--n.
1 an initiator of a new enterprise, an inventor, etc.
2 an explorer or settler; a colonist.
3 Mil. a member of an infantry group preparing roads, terrain, etc. for the main body of troops.
--v.
1 a tr. initiate or originate (an enterprise etc.). b intr. act or prepare the way as a pioneer.
2 tr. Mil. open up (a road etc.) as a pioneer.
3 tr. go before, lead, or conduct (another person or persons).

Etymology:
F pionnier foot-soldier, pioneer, OF paonier, peon(n)ier (as PEON)

N  preparation, providing, provision, providence, anticipation, precaution, preconcertation, predisposition, forecast, rehearsal, note of preparation, arrangement, clearance, adjustment, tuning, equipment, outfit, accouterment, armament, array, ripening, maturation, evolution, elaboration, concoction, digestion, gestation, batching, incubation, sitting, groundwork, first stone, cradle, stepping-stone, foundation, scaffold, scaffolding, echafaudage, training, inurement, novitiate, cooking, cookery, brewing, culinary art, tilling, plowing sowing, semination, cultivation, preparedness, readiness, ripeness, mellowness, maturity, un impromptu fait a loisir, preparer, trainer, pioneer, trailblazer, avant-courrier, avant-coureur, voortrekker, sappers and miners, pavior, navvy, packer, stevedore, warming pan, preparing, in preparation, in course of preparation, in agitation, in embryo, in hand, in train, afoot, afloat, on foot, on the stocks, on the anvil, under consideration, brewing, batching, forthcoming, brooding, in store for, in reserve, precautionary, provident, preparative, preparatory, provisional, inchoate, under revision, preliminary, prepared, in readiness, ready, ready to one's band, ready made, ready cut and dried: made to one's hand, handy, on the table, in gear, in working order, in working gear, snug, in practice, ripe, mature, mellow, pukka, practiced, labored, elaborate, highly-wrought, smelling of the lamp, worked up, in full feather, in best bib and tucker, in harness, at harness, in the saddle, in arms, in battle array, in war paint, up in arms, armed at all points, armed to the teeth, armed cap a pie, sword in hand, booted and spurred, in utrumque paratus, semper paratus, on the alert, at one's post, in preparation, in anticipation of, against, for, abroach, a bove majori discit arare minor, looking before and after, si vis pacem para bellum.

N  precursor, antecedent, precedent, predecessor, forerunner, vancourier, avant-coureur, pioneer, prodrome, prodromos, prodromus, outrider, leader, bellwether, herald, harbinger, foreboding, dawn, avant-courier, avant-garde, bellmare, forelooper, foreloper, stalking-horse, voorlooper, voortrekker, prelude, preamble, preface, prologue, foreword, avant-propos, protasis, proemium, prolusion, proem, prolepsis, prolegomena, prefix, introduction, heading, frontispiece, groundwork, preparation, overture, exordium, symphony, premises, prefigurement, omen, precursory, prelusive, prelusory, preludious, proemial, introductory, prefatory, prodromous, inaugural, preliminary, precedent, a precedent embalms a principle.

N  front, fore, forepart, foreground, face, disk, disc, frontage, facade, proscenium, facia, frontispiece, anteriority, obverse (of a medal or coin), fore rank, front rank, van, vanguard, advanced guard, outpost, first line, scout, brow, forehead, visage, physiognomy, phiz, countenance, mut, rostrum, beak, bow, stem, prow, prore, jib, pioneer, metoposcopy, fore, anterior, front, frontal, before, in front, in the van, in advance, ahead, right ahead, forehead, foremost, in the foreground, in the lee of, before one's face, before one's eyes, face to face, vis-a-vis, front a front, formosa muta commendatio est, frons est animi janua, Human face divine, imago animi vultus est indices oculi, sea of upturned faces.

N  teacher, trainer, instructor, institutor, master, tutor, director, Corypheus, dry nurse, coach, grinder, crammer, don, governor, bear leader, governess, duenna, disciplinarian, professor, lecturer, reader, prelector, prolocutor, preacher, chalk talker, khoja, pastor, schoolmaster, dominie, usher, pedagogue, abecedarian, schoolmistress, dame, monitor, pupil teacher, expositor, preceptor, guide, guru, mentor, pioneer, apostle, missionary, propagandist, munshi, example, professorship, tutelage, professorial, qui doet discet.