Prepared for a visit by the in-laws

• Straightened up, as a room
• Brought order to
• Spruced (up)
• Cleaned up
• ___ up (neatened)
• Straightened (up)
• Made less of a mess
• Neatened (up)

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Tidy \Ti"dy\, v. t. [imp. & p. p. Tidied ; p. pr. & vb. n. Tidying .] To put in proper order; to make neat; as, to tidy a room; to tidy one's dress.

WordNet Word definitions in WordNet
See tidy