Noun

(en noun)

The act of reflecting or the state of being reflected.

The property of a propagated wave being thrown back from a surface (such as a mirror).

Something, such as an image, that is reflected.

(senseid) Careful thought or consideration.

*{{quote-book, year=1959, author=(Georgette Heyer), title=(The Unknown Ajax), chapter=1

, passage=But Richmond, his grandfather's darling, after one thoughtful glance cast under his lashes at that uncompromising countenance appeared to lose himself in his own reflections .}}

An implied criticism.

(label) The process or mechanism of determining the capabilities of an object at run-time.

Noun

(trajectories)

(astronomy, space) The path of a body as it travels through space.

(cybernetics) The ordered set of intermediate states assumed by a dynamical system as a result of time evolution.

Metaphorically, a course of development, such as that of a war or career.

*{{quote-magazine, date=2013-03

, author= , title=The Smallest Cell , volume=101, issue=2, page=83 , magazine= citation , passage=It is likely that the long evolutionary trajectory' of ''Mycoplasma'' went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary ' trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.}}