phase in

Introduce by degrees

To phase in is to introduce something gradually rather than all at once: The new regulations will be phased in over three years.

The opposite is phase out.

A phase-in is the period during which something is being introduced incrementally: The phase-in of the new curriculum begins next fall.

implementation

gradual

Developing slowly over time

staged · stepwise · introduction · adoption · deployment · integration · pilot · trial · scale-up · onboarding

regulation

compliance

Adhering to requirements

policy · enforcement · deadline · standard · code · law · guideline · directive · ruling · ordinance

workplace

new hire

Recently employed staff member

onboarding · mentoring · ramp-up · learning curve · apprenticeship · induction · acclimation · adjustment period · shadowing · handover

Opposites
implementation approach

phase inrush in

Enter hastily and recklessly

drop in · cold start · hard launch

direction of change

phase inphase out

End something incrementally

wind down · phase down · sunset · taper off · scale back

gradual vs. immediate implementation

phase inswitch on

Cause to operate

go live · hard launch

Family

phase, phases, phased, phasing, prophase, interphase, phase out

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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G