As a Noun: 1. The fact that two or more things happen at the same time by chance. English = coincidence. 2. The natural talent that some people have for finding interesting or valuable things by chance. English = serendipity. As a Verb or Adjective: 1. Of two or more things, to happen at the same time by chance. English = (be) coincidental, coincide. 2. To find something interesting or valuable by chance; to come across something. Interactive: 1. Used alone to agree with what your addressee has just said by saying that it is exactly true. English = 'Exactly!', 'Precisely!' Informal English = 'Right on!', 'Spot on!' and so on. As Modifier: 1. Used before or after a verb (action) sign to mean that that action happened by chance. 2. Used before or after a verb (action) sign to mean that that action was done in a precise and exact manner, or, if immediately next to a time sign, that it happened exactly at that time. English = exactly, precisely.