1. (n.) That which is exhibited to the eye; the appearance which anything manifests, especially any one among different and varying appearances of the same object.

2. (n.) Any appearance or aspect of an object of mental apprehension or view; as, the problem has many phases.

3. (n.) A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets

4. (n.) Any one point or portion in a recurring series of changes, as in the changes of motion of one of the particles constituting a wave or vibration; one portion of a series of such changes, in distinction from a contrasted portion, as the portion on one side of a position of equilibrium, in contrast with that on the opposite side.

angle appearance aspect color complexion condition configuration development discontinue ease off effect eidolon end facet fashion feature figure form gestalt guise hand image imago impression include incorporate inject insert insinuate juncture light likeness lineaments look manner moment occasion period phase in phase out phasis point of view position posture reference regard remove respect seeming semblance shape side simulacrum situation slant stage state status step style taper off time total effect twist usher in view viewpoint wind up wise withdraw work in