eustress

From eu- +‎ stress, coined by contrast with distress, as if interpreting the latter as dys- +‎ stress.

• IPA^(key): /juːˈstɹɛs/

eustress (countable and uncountable, plural eustresses)

1. (psychology) A healthful, stimulating kind and level of stress.

• distress

eustress (third-person singular simple present eustresses, present participle eustressing, simple past and past participle eustressed)

1. To cause eustress for someone.

• estruses