1. (n.) The act of executing or performing any duty, office, or calling; performance.

2. (n.) The appropriate action of any special organ or part of an animal or vegetable organism; as, the function of the heart or the limbs; the function of leaves, sap, roots, etc.; life is the sum of the functions of the various organs and parts of the body.

3. (n.) The natural or assigned action of any power or faculty, as of the soul, or of the intellect; the exertion of an energy of some determinate kind.

4. (n.) The course of action which peculiarly pertains to any public officer in church or state; the activity appropriate to any business or profession.

5. (n.) A quantity so connected with another quantity, that if any alteration be made in the latter there will be a consequent alteration in the former. Each quantity is said to be a function of the other. Thus, the circumference of a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x2, 3x, Log. x, and Sin. x, are all functions of x.

6. (v. i.) Alt. of Functionate

IC analysis act act as acting action activism activities activity affair affairs aim ambition animus appositive aspiration assignment attribute attributive baccalaureate service bag banquet be effective be in action behave behavior business capacity celebration ceremonial ceremony character chore commencement commerce commission complement concern concernment construction modifier convocation counsel cutting deep structure desideration desideratum design desire determination dinner direct object do duty doing duty effect employ employment empty formality end use enterprise event exercise exercises faculty filler fixed purpose form form of worship form-function unit formal formality formula formulary functioning gala gathering go goal graduation graduation exercises have effect have free play have play holy rite idea immediate constituent analysis immediate purpose inaugural inauguration indirect object initiation institution intendment intent intention interest job labor levels liturgy lookout make mark matter meaning militate mind mission mode of worship modifier motive move movements mummery mystery nisus object objective observance occasion occupation office officiate operate operation operational purpose operations order of worship ordinance part party percolate perform perform as performance perk phrase structure place plan play point position practice praxis predicate prescribed form proceed project proposal prospectus province purpose qualifier raison d'etre ranks reception religious ceremony resolution resolve responsibility rite rite de passage rite of passage ritual ritual observance rituality role run sacrament sacramental sake serve service shallow structure slot slot and filler solemnity solemnization strata striving structure study subject surface structure swing syntactic analysis syntactic structure syntactics syntax tagmeme take effect target task thing tick ultimate purpose underlying structure undertaking use view will word arrangement word order work work as working workings