To be capable of; to permit. In this sense, "of" may be used after the verb, or may be omitted.
To allow to enter; to grant entrance (to), whether into a place, into the mind, or into consideration
To give warrant or allowance, to grant opportunity or permission (+ of).
To allow (someone) to enter a profession or to enjoy a privilege; to recognize as qualified for a franchise.
To concede as true; to acknowledge or assent to, as an allegation which it is impossible to deny (+ to).
To allow to enter a hospital or similar facility for treatment.
To strive for something; to campaign or contend for success.
To conduct or engage in (battle, warfare etc.).
To engage in combat with; to oppose physically, to contest with.
Of colours or other design elements: to clash; to fail to harmonize.
To try to overpower; to fiercely counteract.
To contend in physical conflict, either singly or in war, battle etc.
To contend in physical conflict with each other, either singly or in war, battle etc.
An occasion of fighting.
A physical confrontation or combat between two or more people or groups.
A conflict, possibly nonphysical, with opposing ideas or forces; strife.
The will or ability to fight.
A boxing or martial arts match.