phe·nom·e·nal 
(fĭ-nŏmə-nəl)
(fĭ-nŏmə-nəl)adj.
1. Of, relating to, or constituting phenomena or a phenomenon.
2. Extraordinary; outstanding: a phenomenal feat of memory.
3. Philosophy Known or derived through the senses rather than through the mind.
phe·nome·nal·ly adv.
- auto-
- autoantibody
- autoantigen
- autobahn
- autobiographer
- autobiographic
- autobiographical
- autobiographically
- autobiography
- autobus
- autocatalysis
- autocatalytic
- autocatalytically
- autocatalytic plating
- autocephalous
- autocephaly
- autochthon
- autochthonal
- autochthonic
- autochthonism
- autochthonous
- autochthonously
- autochthony
- autoclave
- autocoid