n.
Pronunciation: ak- ' ti-v ə -t ē
Function: noun
Inflected Form: plural -ties
Date: 1530
1 : the quality or state of being active
2 : vigorous or energetic action : LIVELINESS
3 : natural or normal function: as a : a process (as digestion) that an organism carries on or participates in by virtue of being alive b : a similar process actually or potentially involving mental function specifically : an educational procedure designed to stimulate learning by firsthand experience
4 : an active force
5 a : a pursuit in which a person is active b : a form of organized, supervised, often extracurricular recreation
6 : an organizational unit for performing a specific function also : its function or duties