naturalization (n.)

• about-face
• acclimation
• acclimatization
• accommodation
• acculturation
• adaption
• adjustment
• admission
• adoption
• affiliation
• alchemy
• assimilation
• assumption
• breaking
• change
• conditioning
• conversion
• domestication
• familiarization
• flip-flop
• growth
• habituation
• hardening
• housebreaking
• lapse
• nationalization
• orientation
• papers
• passage
• progress
• re-formation
• reduction
• resolution
• reversal
• seasoning
• shift
• switch
• training
• transformation
• transit
• transition
• volte-face