selection (n.)
- abstract
 - acumen
 - allocation
 - alternative
 - appointment
 - assignment
 - assortment
 - attribution
 - batch
 - categorization
 - characterization
 - choice
 - co-optation
 - co-option
 - collection
 - culling
 - decision
 - denomination
 - denotation
 - designation
 - determination
 - differentiation
 - discernment
 - disclosure
 - discrimination
 - draft
 - drafting
 - druthers
 - election
 - excerpt
 - excerption
 - expression
 - extract
 - extraction
 - fingering
 - fixing
 - gradation
 - group
 - grouping
 - hint
 - identification
 - indication
 - insight
 - manifestation
 - meaning
 - naming
 - nomination
 - number
 - option
 - ordination
 - passage
 - pick
 - picking
 - piece
 - placement
 - pointing
 - posting
 - precision
 - preference
 - quotation
 - quote
 - range
 - ranking
 - screening
 - series
 - set
 - show
 - showing
 - sifting
 - signification
 - sorting
 - specification
 - stipulation
 - subordination
 - suggestion
 - taxonomy
 - transferral
 - triage
 - variety
 - volition
 - will
 
I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.