|1.||[ verb ] be the reason or explanation for|
"The recession accounts for the slow retail business"
|2.||[ verb ] give reasons for|
"Can you account for all these absences?"
|3.||[ verb ] be the sole or primary factor in the existence, acquisition, supply, or disposal of something|
"Passing grades account for half of the grades given in this exam"
|4.||[ verb ] furnish a justifying analysis or explanation|
"I can't account for the missing money"