Anagrams of: BRAINMUSHROOM

• a free-reeded instrument with a piano keyboard in which air is forced through the reeds by bellows

• a fee paid for a nominally free service

• common name for an edible agaric (contrasting with the inedible toadstool)

• mushrooms and related fleshy fungi (including toadstools, puffballs, morels, coral fungi, etc.)

• any of various fleshy fungi of the subdivision Basidiomycota consisting of a cap at the end of a stem arising from an underground mycelium

• a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)

• fleshy body of any of numerous edible fungi

• pick or gather mushrooms

• grow and spread fast

• musically pleasing

• exhibiting equivalence or correspondence among constituents of an entity or between different entities

• suitable and fitting

• existing together in harmony

• the doctrine that people's duty is to promote human welfare

• the doctrine emphasizing a person's capacity for self-realization through reason; rejects religion and the supernatural

• the cultural movement of the Renaissance; based on classical studies

• a fee paid for a nominally free service

• a transuranic element with atomic number 107

• a dweller in the Australian bush country

• nomadic hunters and gatherers who live in southern Africa

• a parallelogram with four equal sides; an oblique-angled equilateral parallelogram