Assiduity
Pronunciation : As`si*du"i*ty
Part of Speech : n.; pl. Assiduities.
Etymology : [L. assiduitas: cf. F. assiduite. See Assiduous.]
Definition : 1. Constant or close application or attention, particularly to some business or enterprise; diligence. I have, with much pains and assiduity, qualified myself for a nomenclator. Addison.
2. Studied and persevering attention to a person; -- usually in the plural.
Source : Webster's Unabridged Dictionary, 1913