(idiomatic) A ballpark figure; a very rough approximation.

Alternative spelling of aestivation

Worthy of esteem; admirable. / (archaic) Valuable. / Capable of being estimated; estimatable.

plural of estimate

A person who estimates, especially one who estimates costs / (mathematics) A function of a random sample of a population used to estimate some parameter of the whole population

plural of estimator

present participle of estivate

Third-person singular simple present indicative form of estivate

simple past tense and past participle of estivate

(mainly US) Alternative form of aestivoautumnal