1. organizing or putting things in a particular order or position
Usage: present participle of arrange
2. planning or making preparations for an event or activity
Usage: present participle of arrange
3. adapting a piece of music for different instruments or voices
Usage: present participle of arrange; musical

Examples

• She is arranging the flowers in a beautiful vase.
• They are arranging the meeting for next Tuesday.
• He spent hours arranging his books by author.
• The wedding planner is arranging all the details.
• She is arranging the song for a string quartet.
• We are arranging the furniture in the new apartment.
• The teacher is arranging the students into groups.