Synonyms of horizon

1 Syllable
realm, stretch, reach, ken
2 Syllables
range, cirque, purview, compass, reaches, prospect, vista, circle, gyre, border, sphere, limit, setting, farness, scope
3 Syllables
boundary, boundaries, sightline, abuttal, ecliptic, abuttals, colure, distance, skyline
4 Syllables
remoteness, perspective