Definify.com
Webster 1913 Edition
Assiduity
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.
Webster 1828 Edition
Assiduity
ASSIDU'ITY
,Noun.
1.
Constant or close application to any business or enterprise; diligence.2.
Attention; Attentiveness to persons. Assiduities, in plural, are services rendered with zeal and constancy.