Synonyms for Frame of reference:

n.

facet, angle, respect, philosophy, doctrine, perspective, ground, light, regard, dogma, culture, ideology, aspect, hand, the spirit of the times/age, theory, ism, side, phase. frame of reference (noun)
reference frame, reference system, coordinate system.
perspective (noun)
angle, aspect.
system (noun)
philosophy, theory, ideology.
viewpoint (noun)
light, respect, ground, perspective, side.

Other synonyms:

doctrine, dogma, ism, ideology. facet, philosophy. phase, theory, culture. side. aspect. hand. ground, light. Other relevant words:
facet, light, side, phase, regard, hand, angle, perspective, respect, aspect.