1. A fastener that serves to join or connect
   - link, linkup, tie

1. Be in connection with something relevant
   "This ties in closely with his earlier remarks" 
2. Make a logical or causal connection
   - associate, relate, link, colligate, link up, connect

Derived forms: ties in, tie-ins, tied in, tying in

Type of: cerebrate, cogitate, fastener, fastening, fixing, holdfast, interrelate, relate, think

Encyclopedia: Tie-in

• theatrics
• thebaine
• Theban
• thebe
• Thebes
• theca
• thecodont
• thecodont reptile
• Thecodontia
• thee
• theelin
• theft
• thegn
• Theia
• their
• theirs
• theism
• theist
• theistic
• theistical
• thelarche
• Thelephoraceae
• Thelonious Monk
• Thelonious Sphere Monk
• Thelypteridaceae