phase in
English
Verb
phase in (third-person singular simple present phases in, present participle phasing in, simple past and past participle phased in)
- (transitive) To introduce (something) little by little, either via discrete phases of increase or (by extension) by continuous gradations; to introduce in phases, or as if by phases (gradually); to begin (something) gradually.
- The government will phase in the new education system over a period of three years.
- The program phased in last year.
- Antonym: phase out