Meaning
To include a fact or condition when making a calculation or decision.
Example Sentence
"We need to factor in the cost of travel when budgeting for the trip."
Synonyms
include
consider
take into account
Usage Note
This phrasal verb is separable. When using a noun object, it can go between the verb and particle or after the particle. When using a pronoun object, it must go between the verb and particle (e.g., "turn it off" not "turn off it").