move away from a place into another direction; "Go away before I start to cry"; "The train departs at noon"
move downward but not necessarily all the way; "The temperature is going down"; "The barometer is falling"; "Real estate prices are coming down"
acquire or gain knowledge or skills; "She learned dancing from her sister"; "I learned Sanskrit"
be cognizant or aware of a fact or a specific piece of information; possess knowledge or information about; "I know that the President lied to the people"; "I want to know who is winning the game!"; "I know it's time"
get lost, esp. without warning or explanation; "He disappeared without a trace"