[1] : The Collaborative International Dictionary of English v.0.48

causal \caus"al\, a. l. causalis. see cause.
   relating to a cause or causes; inplying or containing a cause
   or causes; expressing a cause; causative.
   1913 webster

         causal propositions are where two propositions are
         joined by causal words.                  --watts.
   1913 webster
see also:
cause 

[2] : The Collaborative International Dictionary of English v.0.48

causal \caus"al\, n.
   a causal word or form of speech.
   1913 webster

         anglo-saxon drencan to drench, causal of anglo-saxon
         drincan to drink.                        --skeat.
   1913 webster

[3] : WordNet (r) 2.0

causal
     adj : involving or constituting a cause; causing; "a causal
           relationship between scarcity and higher prices"

Causal >> C Words
Causal, definition of term: Causal
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