Search Result for "etiology": 
Wordnet 3.0

NOUN (2)

1. the cause of a disease;
[syn: etiology, aetiology]

2. the philosophical study of causation;
[syn: etiology, aetiology]

The Collaborative International Dictionary of English v.0.48:

aetiology \ae`ti*ol"o*gy\ ([=e]`t[i^]*[o^]l"[-o]*j[y^]), n. [L. aetologia, Gr. a'itiologi`a; a'iti`a cause + lo`gos description: cf. F. ['e]tiologie.] 1. The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things; etiology. AS [1913 Webster] 2. The assignment of a cause. [1913 Webster] 3. (Med.) The cause or origin of a disease. Now more commonly written etiology. [PJC + AS]
The Collaborative International Dictionary of English v.0.48:

Etiology \E`ti*ol"o*gy\, n. [Cf. F. ['e]tiologie.] The science of causes. Same as ?tiology. [1913 Webster]
WordNet (r) 3.0 (2006):

etiology n 1: the cause of a disease [syn: etiology, aetiology] 2: the philosophical study of causation [syn: etiology, aetiology]
Moby Thesaurus II by Grady Ward, 1.0:

37 Moby Thesaurus words for "etiology": accounting for, answerability, antecedents, application, arrogation, ascription, assignation, assignment, attachment, attribution, base, basis, blame, call, causation, cause, cause and effect, charge, connection with, credit, derivation from, determinant, determinative, element, factor, ground, grounds, honor, imputation, occasion, palaetiology, placement, principle, reference to, responsibility, saddling, stimulus