se·lec·tion·ist 
(sĭ-lĕkshə-nĭst)
(sĭ-lĕkshə-nĭst)n.
One who believes that evolution occurs chiefly as a result of natural selection.
se·lection·ism n.
se·lection·ist adj.
- associate
- associate professor
- associate's degree
- association
- associational
- association area
- association football
- associationism
- associationist
- associationistic
- associative
- associative learning
- associatively
- associative neuron
- associativity
- assoil
- assoilment
- assonance
- assonant
- assonantal
- assort
- assortative
- assorted
- assorter
- assortment