Definitions of front:

• noun:   the side that is seen or that goes first
• noun:   the outward appearance of a person

  Example: "He put up a bold front"

• noun:   the side that is forward or prominent
• noun:   the part of something that is nearest to the normal viewer

  Example: "He walked to the front of the stage"

• noun:   (meteorology) the atmospheric phenomenon created at the boundary between two different air masses
• noun:   a sphere of activity involving effort

  Example: "The Japanese were active last week on the diplomatic front"

• noun:   the line along which opposing armies face each other
• noun:   the immediate proximity of someone or something

  Example: "He was well behaved in front of company"

• noun:   a person used as a cover for some questionable activity
• noun:   a group of people with a common ideology who try together to achieve certain general goals

  Example: "He led the national liberation front"

• verb:   be oriented in a certain direction, often with respect to another reference point; be opposite to
• verb:   confront bodily