concurrence

consenting; squeezable; agreed (assent); unconditional.

cooperating; in cooperation, in league (party) [more]; coadjuvant, coadjutant; dyed in the wool; synergetic, synergistic., favorable to; unopposed.

epistolary.

permitting; permissive, indulgent; permitted; patent, chartered, permissible, allowable, lawful, legitimate, legal; legalized (law); licit; unforbid, unforbidden; unconditional.

similar; resembling; like, alike; twin., analogous, analogical; parallel, of a piece; such as, so; homoiousian., connatural, congener, allied to; akin to (consanguineous)., approximate, much the same, near, close, something like, sort of, in the ballpark, such like; a show of; mock, pseudo, simulating, representing., exact (true); lifelike, faithful; true to nature, true to life, the very image, the very picture of; for all the world like, comme deux gouttes d'eau; as like as two peas in a pod, as like as it can stare; instar omnium, cast in the same mold, ridiculously like.

one, sole, single, solitary, unitary; individual, apart, alone; kithless., unaccompanied, unattended; solus, single-handed; singular, odd, unique, unrepeated, azygous, first and last; isolated (disjoined); insular., monospermous; unific, uniflorous, unifoliate, unigenital, uniliteral, unijocular, unimodular., lone, lonely, lonesome; desolate, dreary., insecable, inseverable, indiscerptible; compact, irresolvable.

converging; convergent, confluent, concurrent; centripetal; asymptoptical, asymptoptic; confluxible.

partaking; communistic.