developmental

advancing enlightening enriching expanding improving refining

cultural educational

artistic

adorning advancing beautifying beneficial broadening civilizing constructive corrective dignifying disciplining edifying educative elevating ennobling enriching expanding glorifying helpful humane humanizing influential inspirational instructive learned liberal liberalizing nurturing ornamenting polishing promoting raising refined refining regenerative socializing stimulating uplifting widening

empirical preliminary unproved

beginning experiential first stage laboratory momentary on approval pilot preparatory primary probationary provisional speculative temporary tentative test trial trial-and-error unconcluded under probation

proven tested tried

determinative sensitive shaping

immature impressible malleable moldable pliant susceptible

destructive noninfluential