1. reciprocal phrasal verb & phrasal verb If you enter into something such as an agreement, discussion, or relationship, you become involved in it. You can also say that two people enter into something. [formal] [V P n + with] ⇒ I have not entered into any financial agreements with them. [V P n with n] ⇒ We entered into meaningful discussions with them weeks ago. [V P n] ⇒ The United States and Canada may enter into an agreement that would allow easier access to jobs across the border. [pl-n V n] ⇒ ...when a mutually beneficial contract is freely entered into by two adults. [be V-ed P] ⇒ No correspondence will be entered into. 2. phrasal verb → enter If one thing enters into another, it is a factor in it. [formal] [V P n] ⇒ There were also other factors that entered into the orchestration.
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers