1. One thing at a time
   - bit-by-bit, piecemeal, step-by-step, stepwise

See also: gradual

• psych
• psych out
• psych up
• psyche
• psychedelia
• psychedelic
• psychedelic drug
• psychedelic rock
• psychiatric
• psychiatric hospital
• psychiatrical
• psychiatrist
• psychiatry
• psychic
• psychic communication
• psychic energy
• psychic phenomena
• psychic phenomenon
• psychic trauma
• psychical
• psychical communication
• psychically
• psycho
• psychoactive
• psychoactive drug