1. (

• campaign ,
• cause ,
• crusade ,
• drive ,
• movement ,
• effort ,

) a series of actions advancing a principle or tending toward a particular end; "he supported populist campaigns"; "they worked in the cause of world peace"; "the team was ready for a drive toward the pennant"; "the movement to end slavery"; "contributed to the war effort" ;

2. (

• Crusade ,

) any of the more or less continuous military expeditions in the 11th to 13th centuries when Christian powers of Europe tried to recapture the Holy Land from the Muslims ;

1. (

• crusade ,
• fight ,
• press ,
• campaign ,
• push ,
• agitate ,

) exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for; "The liberal party pushed for reforms"; "She is crusading for women's rights"; "The Dean is pushing for his favorite candidate" ;

2. (

• crusade

) go on a crusade; fight a holy war ;