foster (verb) foster: promote, support
Sinonime: calmness, dispassion, doldrums, hush, impassivity, imperturbation, lull, patience, peace, peace of mind*, placidity, placidness, quiet, quietude, repose, rest, restraint, serenity, silence, stillness, stoicism, tranquility, tranquillity
Antonime: condemn,
discourage