- matter, affair, thing - a vaguely specified concern; "several matters to attend to"; "it is none of your affair"; "things are going well"
--1 is a kind of concern
- affair, affaire, intimacy, liaison, involvement, amour - a usually secretive or illicit sexual relationship
--2 is a kind of sexual relationship
- affair, occasion, social occasion, function, social function - a vaguely specified social event; "the party was quite an affair"; "an occasion arranged to honor the president"; "a seemingly endless round of social functions"
--3 is a kind of social event
--3 has particulars:party; celebration, jubilation; ceremony, ceremonial, ceremonial occasion, observance; fundraiser; photo opportunity, photo op; sleepover